diff --git a/backend/templates/admin_rx_usage.html b/backend/templates/admin_rx_usage.html
index badb590..c61e6cc 100644
--- a/backend/templates/admin_rx_usage.html
+++ b/backend/templates/admin_rx_usage.html
@@ -1279,14 +1279,15 @@
         if (e.key === 'Enter') loadUsageData();
     });
 
-    // ──────────────── 지오영 재고 조회 ────────────────
-    let currentGeoyoungItem = null;
+    // ──────────────── 도매상 재고 조회 (지오영 + 수인) ────────────────
+    let currentWholesaleItem = null;
+    window.wholesaleItems = { geoyoung: [], sooin: [] };
 
-    function openGeoyoungModal(idx) {
+    function openWholesaleModal(idx) {
         const item = usageData[idx];
         if (!item) return;
         
-        currentGeoyoungItem = item;
+        currentWholesaleItem = item;
         
         // 모달 열기
         document.getElementById('geoModalProductName').textContent = item.product_name;
@@ -1300,142 +1301,193 @@
         document.getElementById('geoResultBody').innerHTML = `
             <div class="geo-loading">
                 <div class="loading-spinner"></div>
-                <div>지오영 재고 조회 중...</div>
+                <div>도매상 재고 조회 중... (지오영 + 수인)</div>
             </div>`;
+        document.getElementById('geoSearchKeyword').style.display = 'none';
         
-        // API 호출 (보험코드로 먼저 시도)
-        searchGeoyoung(item.drug_code, item.product_name);
+        // 두 도매상 동시 호출
+        searchAllWholesalers(item.drug_code, item.product_name);
     }
 
     function closeGeoyoungModal() {
         document.getElementById('geoyoungModal').classList.remove('show');
-        currentGeoyoungItem = null;
+        currentWholesaleItem = null;
     }
 
-    async function searchGeoyoung(kdCode, productName) {
+    async function searchAllWholesalers(kdCode, productName) {
         const resultBody = document.getElementById('geoResultBody');
         
+        // 두 도매상 동시 호출
+        const [geoResult, sooinResult] = await Promise.all([
+            searchGeoyoungAPI(kdCode, productName),
+            searchSooinAPI(kdCode)
+        ]);
+        
+        // 결과 저장
+        window.wholesaleItems = {
+            geoyoung: geoResult.items || [],
+            sooin: sooinResult.items || []
+        };
+        
+        // 통합 렌더링
+        renderWholesaleResults(geoResult, sooinResult);
+    }
+    
+    async function searchGeoyoungAPI(kdCode, productName) {
         try {
-            // 1차: 보험코드(KD코드)로 검색
+            // 1차: 보험코드로 검색
             let response = await fetch(`/api/geoyoung/stock?kd_code=${encodeURIComponent(kdCode)}`);
             let data = await response.json();
             
             // 결과 없으면 성분명으로 재검색
             if (data.success && data.count === 0) {
-                document.getElementById('geoResultBody').innerHTML = `
-                    <div class="geo-loading">
-                        <div class="loading-spinner"></div>
-                        <div>성분명으로 재검색 중...</div>
-                    </div>`;
-                
                 response = await fetch(`/api/geoyoung/stock-by-name?product_name=${encodeURIComponent(productName)}`);
                 data = await response.json();
             }
             
-            if (!data.success) {
-                resultBody.innerHTML = `
-                    <div class="geo-error">
-                        <div>❌ ${data.message || '조회 실패'}</div>
-                    </div>`;
-                return;
-            }
-            
-            if (data.count === 0) {
-                resultBody.innerHTML = `
-                    <div class="geo-empty">
-                        <div>📭 지오영에 해당 제품이 없습니다</div>
-                    </div>`;
-                return;
-            }
-            
-            // 검색어 표시
-            if (data.extracted_ingredient) {
-                document.getElementById('geoSearchKeyword').textContent = `검색: "${data.extracted_ingredient}"`;
-                document.getElementById('geoSearchKeyword').style.display = 'block';
-            }
-            
-            // 결과 렌더링
-            renderGeoyoungResults(data.items);
-            
+            return data;
         } catch (err) {
-            resultBody.innerHTML = `
-                <div class="geo-error">
-                    <div>❌ 네트워크 오류: ${err.message}</div>
-                </div>`;
+            return { success: false, error: err.message, items: [] };
+        }
+    }
+    
+    async function searchSooinAPI(kdCode) {
+        try {
+            const response = await fetch(`/api/sooin/stock?keyword=${encodeURIComponent(kdCode)}`);
+            const data = await response.json();
+            return data;
+        } catch (err) {
+            return { success: false, error: err.message, items: [] };
         }
     }
 
-    function renderGeoyoungResults(items) {
+    function renderWholesaleResults(geoResult, sooinResult) {
         const resultBody = document.getElementById('geoResultBody');
         
+        const geoItems = geoResult.items || [];
+        const sooinItems = sooinResult.items || [];
+        
         // 재고 있는 것 먼저 정렬
-        items.sort((a, b) => (b.stock > 0 ? 1 : 0) - (a.stock > 0 ? 1 : 0) || b.stock - a.stock);
+        geoItems.sort((a, b) => (b.stock > 0 ? 1 : 0) - (a.stock > 0 ? 1 : 0) || b.stock - a.stock);
+        sooinItems.sort((a, b) => (b.stock > 0 ? 1 : 0) - (a.stock > 0 ? 1 : 0) || b.stock - a.stock);
         
-        let html = `<table class="geo-table">
-            <thead>
-                <tr>
-                    <th>제품명</th>
-                    <th>규격</th>
-                    <th>재고</th>
-                    <th></th>
-                </tr>
-            </thead>
-            <tbody>`;
+        let html = '';
         
-        items.forEach((item, idx) => {
-            const hasStock = item.stock > 0;
-            html += `
-                <tr class="${hasStock ? '' : 'no-stock'}">
-                    <td>
-                        <div class="geo-product">
-                            <span class="geo-name">${escapeHtml(item.product_name)}</span>
-                            <span class="geo-code">${item.insurance_code}</span>
-                        </div>
-                    </td>
-                    <td class="geo-spec">${item.specification}</td>
-                    <td class="geo-stock ${hasStock ? 'in-stock' : 'out-stock'}">${item.stock}</td>
-                    <td>
-                        ${hasStock ? `<button class="geo-add-btn" onclick="addGeoyoungToCart(${idx})">담기</button>` : ''}
-                    </td>
-                </tr>`;
-        });
+        // ═══════ 지오영 섹션 ═══════
+        html += `<div class="ws-section">
+            <div class="ws-header geoyoung">
+                <span class="ws-icon">🏭</span>
+                <span class="ws-name">지오영</span>
+                <span class="ws-count">${geoItems.length}건</span>
+            </div>`;
         
-        html += '</tbody></table>';
+        if (geoItems.length > 0) {
+            html += `<table class="geo-table">
+                <thead><tr><th>제품명</th><th>규격</th><th>재고</th><th></th></tr></thead>
+                <tbody>`;
+            
+            geoItems.forEach((item, idx) => {
+                const hasStock = item.stock > 0;
+                html += `
+                    <tr class="${hasStock ? '' : 'no-stock'}">
+                        <td>
+                            <div class="geo-product">
+                                <span class="geo-name">${escapeHtml(item.product_name)}</span>
+                                <span class="geo-code">${item.insurance_code}</span>
+                            </div>
+                        </td>
+                        <td class="geo-spec">${item.specification}</td>
+                        <td class="geo-stock ${hasStock ? 'in-stock' : 'out-stock'}">${item.stock}</td>
+                        <td>${hasStock ? `<button class="geo-add-btn" onclick="addToCartFromWholesale('geoyoung', ${idx})">담기</button>` : ''}</td>
+                    </tr>`;
+            });
+            
+            html += '</tbody></table>';
+        } else {
+            html += `<div class="ws-empty">📭 검색 결과 없음</div>`;
+        }
+        html += '</div>';
         
-        // 전역에 저장 (담기용)
-        window.geoyoungItems = items;
+        // ═══════ 수인약품 섹션 ═══════
+        html += `<div class="ws-section">
+            <div class="ws-header sooin">
+                <span class="ws-icon">💊</span>
+                <span class="ws-name">수인약품</span>
+                <span class="ws-count">${sooinItems.length}건</span>
+            </div>`;
+        
+        if (sooinItems.length > 0) {
+            html += `<table class="geo-table">
+                <thead><tr><th>제품명</th><th>규격</th><th>단가</th><th>재고</th><th></th></tr></thead>
+                <tbody>`;
+            
+            sooinItems.forEach((item, idx) => {
+                const hasStock = item.stock > 0;
+                html += `
+                    <tr class="${hasStock ? '' : 'no-stock'}">
+                        <td>
+                            <div class="geo-product">
+                                <span class="geo-name">${escapeHtml(item.name)}</span>
+                                <span class="geo-code">${item.code} · ${item.manufacturer || ''}</span>
+                            </div>
+                        </td>
+                        <td class="geo-spec">${item.spec || '-'}</td>
+                        <td class="geo-price">${item.price ? item.price.toLocaleString() + '원' : '-'}</td>
+                        <td class="geo-stock ${hasStock ? 'in-stock' : 'out-stock'}">${item.stock}</td>
+                        <td>${hasStock ? `<button class="geo-add-btn sooin" onclick="addToCartFromWholesale('sooin', ${idx})">담기</button>` : ''}</td>
+                    </tr>`;
+            });
+            
+            html += '</tbody></table>';
+        } else {
+            html += `<div class="ws-empty">📭 검색 결과 없음</div>`;
+        }
+        html += '</div>';
         
         resultBody.innerHTML = html;
     }
 
-    function addGeoyoungToCart(idx) {
-        const item = window.geoyoungItems[idx];
-        if (!item || !currentGeoyoungItem) return;
+    function addToCartFromWholesale(wholesaler, idx) {
+        const items = window.wholesaleItems[wholesaler];
+        const item = items[idx];
+        if (!item || !currentWholesaleItem) return;
         
-        // 수량 계산 (규격에서 숫자 추출)
-        const specMatch = item.specification.match(/(\d+)/);
+        // 규격에서 수량 추출
+        const spec = wholesaler === 'geoyoung' ? item.specification : (item.spec || '');
+        const specMatch = spec.match(/(\d+)/);
         const specQty = specMatch ? parseInt(specMatch[1]) : 1;
         
         // 필요 수량 계산
-        const needed = currentGeoyoungItem.total_dose;
+        const needed = currentWholesaleItem.total_dose;
         const suggestedQty = Math.ceil(needed / specQty);
         
-        const qty = prompt(`주문 수량 (${item.specification} 기준)\n\n필요량: ${needed}개\n규격: ${specQty}개/단위\n추천: ${suggestedQty}단위 (${suggestedQty * specQty}개)`, suggestedQty);
+        const supplierName = wholesaler === 'geoyoung' ? '지오영' : '수인약품';
+        const productName = wholesaler === 'geoyoung' ? item.product_name : item.name;
+        
+        const qty = prompt(`[${supplierName}] 주문 수량 (${spec} 기준)\n\n필요량: ${needed}개\n규격: ${specQty}개/단위\n추천: ${suggestedQty}단위 (${suggestedQty * specQty}개)`, suggestedQty);
         
         if (!qty || isNaN(qty)) return;
         
-        // 장바구니에 추가 (지오영 정보 포함)
+        // 장바구니에 추가
         const cartItem = {
-            drug_code: currentGeoyoungItem.drug_code,
-            product_name: item.product_name,
-            supplier: '지오영',
+            drug_code: currentWholesaleItem.drug_code,
+            product_name: productName,
+            supplier: supplierName,
             qty: parseInt(qty),
-            specification: item.specification,
-            geoyoung_code: item.insurance_code
+            specification: spec,
+            wholesaler: wholesaler,
+            internal_code: wholesaler === 'geoyoung' ? item.internal_code : item.internal_code,
+            geoyoung_code: wholesaler === 'geoyoung' ? item.insurance_code : null,
+            sooin_code: wholesaler === 'sooin' ? item.code : null
         };
         
-        // 기존 항목 체크
-        const existing = cart.find(c => c.drug_code === currentGeoyoungItem.drug_code && c.specification === item.specification);
+        // 기존 항목 체크 (같은 도매상 + 같은 규격)
+        const existing = cart.find(c => 
+            c.drug_code === currentWholesaleItem.drug_code && 
+            c.specification === spec &&
+            c.wholesaler === wholesaler
+        );
+        
         if (existing) {
             existing.qty = parseInt(qty);
         } else {
@@ -1444,24 +1496,28 @@
         
         updateCartUI();
         closeGeoyoungModal();
-        showToast(`✅ ${item.product_name} (${item.specification}) ${qty}개 추가`, 'success');
+        showToast(`✅ [${supplierName}] ${productName} (${spec}) ${qty}개 추가`, 'success');
     }
 
-    // 테이블 행 더블클릭으로 지오영 모달 열기
+    // 하위 호환 (기존 함수명 유지)
+    function openGeoyoungModal(idx) { openWholesaleModal(idx); }
+    function addGeoyoungToCart(idx) { addToCartFromWholesale('geoyoung', idx); }
+
+    // 테이블 행 더블클릭으로 도매상 모달 열기
     document.addEventListener('dblclick', function(e) {
         const row = e.target.closest('tr[data-idx]');
         if (row) {
             const idx = parseInt(row.dataset.idx);
-            openGeoyoungModal(idx);
+            openWholesaleModal(idx);
         }
     });
     </script>
 
-    <!-- 지오영 재고 조회 모달 -->
+    <!-- 도매상 재고 조회 모달 (지오영 + 수인) -->
     <div class="geo-modal" id="geoyoungModal">
         <div class="geo-modal-content">
             <div class="geo-modal-header">
-                <h3>🏭 지오영 재고 조회</h3>
+                <h3>📦 도매상 재고 조회</h3>
                 <button class="geo-close" onclick="closeGeoyoungModal()">✕</button>
             </div>
             <div class="geo-modal-info">
@@ -1649,6 +1705,62 @@
         background: #0891b2;
         transform: scale(1.05);
     }
+    .geo-add-btn.sooin {
+        background: var(--accent-purple);
+    }
+    .geo-add-btn.sooin:hover {
+        background: #7c3aed;
+    }
+    .geo-price {
+        font-family: 'JetBrains Mono', monospace;
+        font-size: 11px;
+        color: var(--text-secondary);
+    }
+    
+    /* 도매상 섹션 구분 */
+    .ws-section {
+        margin-bottom: 20px;
+    }
+    .ws-section:last-child {
+        margin-bottom: 0;
+    }
+    .ws-header {
+        display: flex;
+        align-items: center;
+        gap: 8px;
+        padding: 10px 12px;
+        border-radius: 8px;
+        margin-bottom: 8px;
+        font-weight: 600;
+    }
+    .ws-header.geoyoung {
+        background: linear-gradient(135deg, rgba(6, 182, 212, 0.2), rgba(8, 145, 178, 0.1));
+        border-left: 3px solid var(--accent-cyan);
+    }
+    .ws-header.sooin {
+        background: linear-gradient(135deg, rgba(168, 85, 247, 0.2), rgba(124, 58, 237, 0.1));
+        border-left: 3px solid var(--accent-purple);
+    }
+    .ws-icon {
+        font-size: 18px;
+    }
+    .ws-name {
+        flex: 1;
+        font-size: 14px;
+    }
+    .ws-count {
+        font-size: 12px;
+        color: var(--text-muted);
+        background: rgba(255,255,255,0.1);
+        padding: 2px 8px;
+        border-radius: 10px;
+    }
+    .ws-empty {
+        text-align: center;
+        padding: 20px;
+        color: var(--text-muted);
+        font-size: 13px;
+    }
     
     /* 주문 확인 모달 */
     .order-modal {