diff --git a/static/medicine_master.js b/static/medicine_master.js
new file mode 100644
index 0000000..2b2fd0c
--- /dev/null
+++ b/static/medicine_master.js
@@ -0,0 +1,450 @@
+/**
+ * 의약품 마스터 검색 + 입고 장바구니 모듈
+ */
+(function() {
+    'use strict';
+
+    // 장바구니 데이터 (세션 메모리)
+    let cart = [];
+
+    const ORIGIN_OPTIONS = ['한국','중국','베트남','인도','태국','페루','일본','기타'];
+
+    // ─── 검색 ───────────────────────────────────────────────
+
+    function searchMedicine() {
+        const query = $('#medSearchInput').val().trim();
+        const category = $('#medCategoryFilter').val();
+        const packageType = $('#medPackageFilter').val();
+
+        if (query.length < 2) {
+            alert('검색어는 2자 이상 입력하세요.');
+            return;
+        }
+
+        const params = new URLSearchParams({ q: query, limit: 100 });
+        if (category) params.append('category', category);
+        if (packageType) params.append('package_type', packageType);
+
+        $('#medSearchResults').html('<tr><td colspan="8" class="text-center py-4"><div class="spinner-border spinner-border-sm"></div> 검색중...</td></tr>');
+
+        $.get(`/api/medicine-master/search?${params}`, function(response) {
+            if (!response.success) {
+                $('#medSearchResults').html(`<tr><td colspan="8" class="text-center text-danger py-4">${response.error}</td></tr>`);
+                return;
+            }
+
+            const tbody = $('#medSearchResults');
+            tbody.empty();
+            $('#medResultCount').text(response.count);
+
+            if (response.data.length === 0) {
+                tbody.html('<tr><td colspan="8" class="text-center text-muted py-4">검색 결과가 없습니다.</td></tr>');
+                return;
+            }
+
+            response.data.forEach(item => {
+                let categoryBadge = '';
+                switch(item.category) {
+                    case '일반의약품':
+                        categoryBadge = '<span class="badge bg-success">일반</span>';
+                        break;
+                    case '전문의약품':
+                        categoryBadge = '<span class="badge bg-warning text-dark">전문</span>';
+                        break;
+                    case '한약재':
+                        categoryBadge = '<span class="badge bg-info">한약재</span>';
+                        break;
+                    case '원료의약품':
+                        categoryBadge = '<span class="badge bg-secondary">원료</span>';
+                        break;
+                    default:
+                        categoryBadge = `<span class="badge bg-light text-dark">${item.category || '-'}</span>`;
+                }
+
+                const cleanName = item.product_name.replace(/&nbsp;/g, ' ').trim();
+                const notes = item.notes ? item.notes.replace(/&nbsp;/g, ' ').trim() : '';
+                const inCart = cart.some(c => c.standard_code === item.standard_code);
+                const itemJson = JSON.stringify(item).replace(/'/g, "&#39;");
+
+                tbody.append(`
+                    <tr>
+                        <td>
+                            <strong>${cleanName}</strong>
+                            ${item.form_type ? `<br><small class="text-muted">${item.form_type}</small>` : ''}
+                        </td>
+                        <td><small>${item.company_name || '-'}</small></td>
+                        <td><small>${item.spec || '-'}</small></td>
+                        <td><small>${item.package_type || '-'}</small></td>
+                        <td>${categoryBadge}</td>
+                        <td><small class="text-monospace">${item.standard_code || '-'}</small></td>
+                        <td><small class="text-muted">${notes.length > 30 ? notes.substring(0, 30) + '...' : notes}</small></td>
+                        <td class="text-nowrap">
+                            <button class="btn btn-sm btn-outline-info med-detail-btn"
+                                    data-item='${itemJson}' title="상세보기">
+                                <i class="bi bi-eye"></i>
+                            </button>
+                            <button class="btn btn-sm btn-outline-success med-add-cart-btn"
+                                    data-item='${itemJson}'
+                                    data-code="${item.standard_code}"
+                                    title="장바구니 담기"
+                                    ${inCart ? 'disabled' : ''}>
+                                <i class="bi bi-plus-lg"></i>
+                            </button>
+                        </td>
+                    </tr>
+                `);
+            });
+
+            // 상세보기 이벤트
+            $('.med-detail-btn').off('click').on('click', function() {
+                const item = JSON.parse($(this).attr('data-item'));
+                showMedicineDetail(item);
+            });
+
+            // 장바구니 담기 이벤트
+            $('.med-add-cart-btn').off('click').on('click', function() {
+                const item = JSON.parse($(this).attr('data-item'));
+                addToCart(item);
+                $(this).prop('disabled', true);
+            });
+
+        }).fail(function(xhr) {
+            $('#medSearchResults').html(`<tr><td colspan="8" class="text-center text-danger py-4">검색 실패: ${xhr.responseJSON?.error || '서버 오류'}</td></tr>`);
+        });
+    }
+
+    // ─── 상세보기 모달 ─────────────────────────────────────
+
+    function showMedicineDetail(item) {
+        const cleanName = item.product_name.replace(/&nbsp;/g, ' ').trim();
+        $('#medDetailTitle').text(cleanName);
+
+        const fields = [
+            { label: '상품명', value: cleanName },
+            { label: '업체명', value: item.company_name },
+            { label: '규격', value: item.spec },
+            { label: '제형구분', value: item.form_type },
+            { label: '포장형태', value: item.package_type },
+            { label: '전문일반구분', value: item.category },
+            { label: '품목기준코드', value: item.item_std_code },
+            { label: '대표코드', value: item.representative_code },
+            { label: '표준코드', value: item.standard_code },
+            { label: '일반명코드', value: item.ingredient_name_code },
+            { label: 'ATC코드', value: item.atc_code },
+            { label: '비고', value: item.notes?.replace(/&nbsp;/g, ' ') },
+        ];
+
+        let html = '<table class="table table-sm">';
+        fields.forEach(f => {
+            if (f.value) {
+                html += `<tr><th width="140" class="text-muted">${f.label}</th><td>${f.value}</td></tr>`;
+            }
+        });
+        html += '</table>';
+
+        $('#medDetailBody').html(html);
+        $('#medDetailModal').modal('show');
+    }
+
+    // ─── 규격 파싱 ───────────────────────────────────────────
+
+    // 규격 문자열에서 그램 수 추출 (예: "500그램"→500, "1000그램"→1000)
+    function parseSpecToGrams(spec) {
+        if (!spec) return 0;
+        const s = spec.trim();
+
+        // "500그램", "1000그램", "1252.5그램"
+        let m = s.match(/^([\d.]+)\s*그램$/);
+        if (m) return parseFloat(m[1]);
+
+        // "500g", "1000G"
+        m = s.match(/^([\d.]+)\s*[gG]$/);
+        if (m) return parseFloat(m[1]);
+
+        // "1kg", "1.5Kg", "1킬로그램"
+        m = s.match(/^([\d.]+)\s*(kg|킬로그램)$/i);
+        if (m) return parseFloat(m[1]) * 1000;
+
+        // "500밀리그램" → 0.5g
+        m = s.match(/^([\d.]+)\s*밀리그램$/);
+        if (m) return parseFloat(m[1]) / 1000;
+
+        // "500mg"
+        m = s.match(/^([\d.]+)\s*mg$/i);
+        if (m) return parseFloat(m[1]) / 1000;
+
+        return 0; // 파싱 불가 ("없음" 등)
+    }
+
+    // ─── 장바구니 기능 ─────────────────────────────────────
+
+    function addToCart(item) {
+        // 중복 체크
+        if (cart.some(c => c.standard_code === item.standard_code)) {
+            alert('이미 장바구니에 있는 항목입니다.');
+            return;
+        }
+
+        const cleanName = item.product_name.replace(/&nbsp;/g, ' ').trim();
+        const specGrams = parseSpecToGrams(item.spec);
+
+        cart.push({
+            standard_code: item.standard_code,
+            product_name: cleanName,
+            company_name: item.company_name || '',
+            spec: item.spec || '',
+            spec_grams: specGrams,       // 규격에서 파싱한 g 수
+            qty: 1,                      // 수량 (포장 단위)
+            unit_price: 0,               // 단가 (종이 입고장 가격)
+            origin_country: '한국',
+            _raw: item
+        });
+
+        renderCart();
+    }
+
+    function removeFromCart(index) {
+        const removed = cart.splice(index, 1)[0];
+        if (removed) {
+            $(`.med-add-cart-btn[data-code="${removed.standard_code}"]`).prop('disabled', false);
+        }
+        renderCart();
+    }
+
+    function clearCart() {
+        if (cart.length === 0) return;
+        if (!confirm('장바구니를 비우시겠습니까?')) return;
+
+        const codes = cart.map(c => c.standard_code);
+        cart = [];
+        codes.forEach(code => {
+            $(`.med-add-cart-btn[data-code="${code}"]`).prop('disabled', false);
+        });
+        renderCart();
+    }
+
+    function renderCart() {
+        const panel = $('#cartPanel');
+        const tbody = $('#cartBody');
+
+        if (cart.length === 0) {
+            panel.hide();
+            return;
+        }
+
+        panel.show();
+        $('#cartCount').text(cart.length);
+        tbody.empty();
+
+        let totalQty = 0;
+        let totalAmt = 0;
+
+        cart.forEach((item, idx) => {
+            const amt = (item.qty || 0) * (item.unit_price || 0);
+            const pricePerG = (item.spec_grams && item.unit_price)
+                ? (item.unit_price / item.spec_grams) : 0;
+            totalQty += (item.qty || 0);
+            totalAmt += amt;
+
+            const originOptions = ORIGIN_OPTIONS.map(o =>
+                `<option value="${o}" ${item.origin_country === o ? 'selected' : ''}>${o}</option>`
+            ).join('');
+
+            const specDisplay = item.spec_grams
+                ? `${item.spec} <br><small class="text-success">${item.spec_grams.toLocaleString()}g</small>`
+                : `${item.spec || '-'} <br><small class="text-danger">수동입력</small>`;
+
+            tbody.append(`
+                <tr data-cart-idx="${idx}">
+                    <td><small><strong>${item.product_name}</strong></small></td>
+                    <td><small>${item.company_name || '-'}</small></td>
+                    <td>${specDisplay}</td>
+                    <td>
+                        <input type="number" class="form-control form-control-sm text-end cart-qty"
+                               data-idx="${idx}" value="${item.qty || 1}"
+                               min="1" step="1" placeholder="1">
+                    </td>
+                    <td>
+                        <input type="number" class="form-control form-control-sm text-end cart-unit-price"
+                               data-idx="${idx}" value="${item.unit_price || ''}"
+                               min="0" step="100" placeholder="35000">
+                    </td>
+                    <td class="text-end cart-amt" data-idx="${idx}">
+                        ${amt ? amt.toLocaleString() : '-'}
+                    </td>
+                    <td class="text-end cart-ppg text-muted" data-idx="${idx}">
+                        <small>${pricePerG ? pricePerG.toFixed(1) : '-'}</small>
+                    </td>
+                    <td>
+                        <select class="form-select form-select-sm cart-origin" data-idx="${idx}">
+                            ${originOptions}
+                        </select>
+                    </td>
+                    <td>
+                        <button class="btn btn-sm btn-outline-danger cart-remove-btn" data-idx="${idx}" title="삭제">
+                            <i class="bi bi-x"></i>
+                        </button>
+                    </td>
+                </tr>
+            `);
+        });
+
+        $('#cartTotalQty').text(totalQty ? totalQty.toLocaleString() : '0');
+        $('#cartTotalAmt').text(totalAmt ? totalAmt.toLocaleString() + '원' : '0');
+
+        // 이벤트 바인딩
+        tbody.find('.cart-qty').off('input').on('input', function() {
+            const idx = $(this).data('idx');
+            cart[idx].qty = parseInt($(this).val()) || 0;
+            updateCartRow(idx);
+        });
+
+        tbody.find('.cart-unit-price').off('input').on('input', function() {
+            const idx = $(this).data('idx');
+            cart[idx].unit_price = parseFloat($(this).val()) || 0;
+            updateCartRow(idx);
+        });
+
+        tbody.find('.cart-origin').off('change').on('change', function() {
+            const idx = $(this).data('idx');
+            cart[idx].origin_country = $(this).val();
+        });
+
+        tbody.find('.cart-remove-btn').off('click').on('click', function() {
+            removeFromCart($(this).data('idx'));
+        });
+    }
+
+    function updateCartRow(idx) {
+        const item = cart[idx];
+        const amt = (item.qty || 0) * (item.unit_price || 0);
+        const pricePerG = (item.spec_grams && item.unit_price)
+            ? (item.unit_price / item.spec_grams) : 0;
+
+        $(`.cart-amt[data-idx="${idx}"]`).text(amt ? amt.toLocaleString() : '-');
+        $(`.cart-ppg[data-idx="${idx}"]`).html(`<small>${pricePerG ? pricePerG.toFixed(1) : '-'}</small>`);
+        updateCartTotals();
+    }
+
+    function updateCartTotals() {
+        let totalQty = 0;
+        let totalAmt = 0;
+        cart.forEach(item => {
+            totalQty += (item.qty || 0);
+            totalAmt += (item.qty || 0) * (item.unit_price || 0);
+        });
+        $('#cartTotalQty').text(totalQty ? totalQty.toLocaleString() : '0');
+        $('#cartTotalAmt').text(totalAmt ? totalAmt.toLocaleString() + '원' : '0');
+    }
+
+    // ─── 입고장 생성 ───────────────────────────────────────
+
+    function createReceipt() {
+        // 검증
+        const supplierId = $('#cartSupplier').val();
+        const receiptDate = $('#cartReceiptDate').val();
+        const notes = $('#cartNotes').val().trim();
+
+        if (!supplierId) {
+            alert('도매상을 선택해주세요.');
+            $('#cartSupplier').focus();
+            return;
+        }
+        if (!receiptDate) {
+            alert('입고일을 입력해주세요.');
+            $('#cartReceiptDate').focus();
+            return;
+        }
+        if (cart.length === 0) {
+            alert('장바구니가 비어있습니다.');
+            return;
+        }
+
+        // 단가 미입력 체크
+        const incomplete = cart.filter(c => !c.unit_price);
+        if (incomplete.length > 0) {
+            alert(`단가가 입력되지 않은 항목이 ${incomplete.length}건 있습니다.\n모든 항목의 단가를 입력해주세요.`);
+            return;
+        }
+
+        // 규격 미파싱 경고
+        const noSpec = cart.filter(c => !c.spec_grams);
+        if (noSpec.length > 0) {
+            alert(`규격(g)을 파싱할 수 없는 항목이 ${noSpec.length}건 있습니다.\n해당 항목은 g당단가가 계산되지 않습니다.\n\n${noSpec.map(c => '- ' + c.product_name).join('\n')}`);
+        }
+
+        // 요약 표시
+        const supplierName = $('#cartSupplier option:selected').text();
+        let totalAmt = 0;
+        cart.forEach(item => {
+            totalAmt += (item.qty || 0) * (item.unit_price || 0);
+        });
+
+        const summary = [
+            `[입고장 요약]`,
+            `도매상: ${supplierName}`,
+            `입고일: ${receiptDate}`,
+            `품목 수: ${cart.length}건`,
+            `총 금액: ${totalAmt.toLocaleString()}원`,
+            notes ? `비고: ${notes}` : '',
+            '',
+            '--- 품목 ---',
+            ...cart.map((c, i) => {
+                const amt = c.qty * c.unit_price;
+                const ppg = c.spec_grams ? (c.unit_price / c.spec_grams).toFixed(1) : '?';
+                const totalG = c.spec_grams ? (c.spec_grams * c.qty).toLocaleString() + 'g' : '?';
+                return `${i+1}. ${c.product_name} (${c.spec}) ×${c.qty} @${c.unit_price.toLocaleString()}원 = ${amt.toLocaleString()}원  [${totalG}, ${ppg}원/g]`;
+            }),
+            '',
+            '(DB 연동은 추후 구현 예정입니다)'
+        ].filter(Boolean).join('\n');
+
+        alert(summary);
+    }
+
+    // ─── 도매상 로드 ───────────────────────────────────────
+
+    function loadSuppliers() {
+        $.get('/api/suppliers', function(response) {
+            if (!response.success) return;
+            const sel = $('#cartSupplier');
+            sel.find('option:not(:first)').remove();
+            response.data.forEach(s => {
+                sel.append(`<option value="${s.supplier_id}">${s.name}</option>`);
+            });
+        });
+    }
+
+    // ─── 초기화 ────────────────────────────────────────────
+
+    function init() {
+        // 검색
+        $('#medSearchBtn').off('click').on('click', searchMedicine);
+        $('#medSearchInput').off('keypress').on('keypress', function(e) {
+            if (e.which === 13) searchMedicine();
+        });
+        $('#medCategoryFilter, #medPackageFilter').off('change').on('change', function() {
+            if ($('#medSearchInput').val().trim().length >= 2) {
+                searchMedicine();
+            }
+        });
+
+        // 장바구니
+        $('#cartClearBtn').off('click').on('click', clearCart);
+        $('#createReceiptBtn').off('click').on('click', createReceipt);
+
+        // 입고일 기본값: 오늘
+        $('#cartReceiptDate').val(new Date().toISOString().split('T')[0]);
+
+        // 도매상 목록 로드
+        loadSuppliers();
+
+        // 이전 장바구니 상태 복원 (없으면 숨김)
+        renderCart();
+    }
+
+    // 글로벌 로드 함수 등록
+    window.loadMedicineMaster = function() {
+        init();
+    };
+})();
diff --git a/templates/medicine_master.html b/templates/medicine_master.html
new file mode 100644
index 0000000..904f7de
--- /dev/null
+++ b/templates/medicine_master.html
@@ -0,0 +1,163 @@
+<!-- 의약품 마스터 검색 페이지 -->
+<div id="medicine-master" class="main-content">
+    <h3 class="mb-4"><i class="bi bi-search"></i> 의약품 마스터 검색</h3>
+
+    <!-- 검색 영역 -->
+    <div class="card mb-4">
+        <div class="card-body">
+            <div class="row g-2 align-items-end">
+                <div class="col-md-5">
+                    <label class="form-label">검색어</label>
+                    <input type="text" class="form-control" id="medSearchInput"
+                           placeholder="상품명, 업체명, 표준코드 검색..." autofocus>
+                </div>
+                <div class="col-md-2">
+                    <label class="form-label">분류</label>
+                    <select class="form-select" id="medCategoryFilter">
+                        <option value="">전체</option>
+                        <option value="일반의약품">일반의약품</option>
+                        <option value="전문의약품">전문의약품</option>
+                        <option value="한약재">한약재</option>
+                        <option value="원료의약품">원료의약품</option>
+                    </select>
+                </div>
+                <div class="col-md-2">
+                    <label class="form-label">포장형태</label>
+                    <select class="form-select" id="medPackageFilter">
+                        <option value="">전체</option>
+                        <option value="병">병</option>
+                        <option value="포">포</option>
+                        <option value="박스">박스</option>
+                        <option value="기타">기타</option>
+                    </select>
+                </div>
+                <div class="col-md-1">
+                    <button class="btn btn-primary w-100" id="medSearchBtn">
+                        <i class="bi bi-search"></i>
+                    </button>
+                </div>
+                <div class="col-md-2">
+                    <span class="text-muted" id="medSearchCount"></span>
+                </div>
+            </div>
+        </div>
+    </div>
+
+    <!-- 검색 결과 -->
+    <div class="card">
+        <div class="card-header bg-light d-flex justify-content-between align-items-center">
+            <h5 class="mb-0">검색 결과</h5>
+            <div>
+                <span class="badge bg-primary" id="medResultCount">0</span>건
+            </div>
+        </div>
+        <div class="card-body p-0">
+            <div class="table-responsive" style="max-height: 600px; overflow-y: auto;">
+                <table class="table table-hover table-sm mb-0">
+                    <thead class="table-light sticky-top">
+                        <tr>
+                            <th>상품명</th>
+                            <th>업체명</th>
+                            <th>규격</th>
+                            <th>포장</th>
+                            <th>분류</th>
+                            <th>표준코드</th>
+                            <th>비고</th>
+                            <th width="100">작업</th>
+                        </tr>
+                    </thead>
+                    <tbody id="medSearchResults">
+                        <tr>
+                            <td colspan="8" class="text-center text-muted py-5">
+                                <i class="bi bi-search" style="font-size: 2rem;"></i>
+                                <p class="mt-2">검색어를 입력하세요 (2자 이상)</p>
+                            </td>
+                        </tr>
+                    </tbody>
+                </table>
+            </div>
+        </div>
+    </div>
+
+    <!-- 입고 장바구니 -->
+    <div class="card mt-4" id="cartPanel" style="display:none;">
+        <div class="card-header bg-light d-flex justify-content-between align-items-center">
+            <h5 class="mb-0"><i class="bi bi-cart3"></i> 입고 장바구니 (<span id="cartCount">0</span>건)</h5>
+            <button class="btn btn-sm btn-outline-danger" id="cartClearBtn" title="비우기">
+                <i class="bi bi-trash"></i> 비우기
+            </button>
+        </div>
+        <div class="card-body">
+            <!-- 입고 정보 -->
+            <div class="row g-2 mb-3">
+                <div class="col-md-4">
+                    <label class="form-label">도매상 <span class="text-danger">*</span></label>
+                    <select class="form-select form-select-sm" id="cartSupplier">
+                        <option value="">-- 선택 --</option>
+                    </select>
+                </div>
+                <div class="col-md-3">
+                    <label class="form-label">입고일 <span class="text-danger">*</span></label>
+                    <input type="date" class="form-control form-control-sm" id="cartReceiptDate">
+                </div>
+                <div class="col-md-5">
+                    <label class="form-label">비고</label>
+                    <input type="text" class="form-control form-control-sm" id="cartNotes" placeholder="비고 입력...">
+                </div>
+            </div>
+
+            <!-- 장바구니 테이블 -->
+            <div class="table-responsive">
+                <table class="table table-sm table-bordered mb-0">
+                    <thead class="table-light">
+                        <tr>
+                            <th>상품명</th>
+                            <th>업체</th>
+                            <th>규격</th>
+                            <th width="70">수량</th>
+                            <th width="110">단가(원)</th>
+                            <th width="90">금액</th>
+                            <th width="80">g당단가</th>
+                            <th width="100">원산지</th>
+                            <th width="40"></th>
+                        </tr>
+                    </thead>
+                    <tbody id="cartBody"></tbody>
+                    <tfoot class="table-light">
+                        <tr class="fw-bold">
+                            <td colspan="3" class="text-end">합계</td>
+                            <td id="cartTotalQty" class="text-end">0</td>
+                            <td></td>
+                            <td id="cartTotalAmt" class="text-end">0</td>
+                            <td colspan="3"></td>
+                        </tr>
+                    </tfoot>
+                </table>
+            </div>
+
+            <!-- 입고장 생성 버튼 -->
+            <div class="text-end mt-3">
+                <button class="btn btn-primary" id="createReceiptBtn">
+                    <i class="bi bi-clipboard-check"></i> 입고장 생성
+                </button>
+            </div>
+        </div>
+    </div>
+
+    <!-- 제품 상세 모달 -->
+    <div class="modal fade" id="medDetailModal" tabindex="-1">
+        <div class="modal-dialog modal-lg">
+            <div class="modal-content">
+                <div class="modal-header">
+                    <h5 class="modal-title" id="medDetailTitle">제품 상세</h5>
+                    <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
+                </div>
+                <div class="modal-body" id="medDetailBody">
+                </div>
+                <div class="modal-footer">
+                    <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">닫기</button>
+                </div>
+            </div>
+        </div>
+    </div>
+</div>