diff --git a/backend/templates/admin_otc_labels.html b/backend/templates/admin_otc_labels.html
index ce4d1c3..a0c32b1 100644
--- a/backend/templates/admin_otc_labels.html
+++ b/backend/templates/admin_otc_labels.html
@@ -492,9 +492,12 @@
                 return;
             }
             
+            // display_name이 비어있으면 원본 약품명 사용
+            const displayName = document.getElementById('displayName').value || currentDrugName;
+            
             const payload = {
                 barcode: currentBarcode,
-                display_name: document.getElementById('displayName').value,
+                display_name: displayName,
                 effect: document.getElementById('effect').value,
                 dosage_instruction: document.getElementById('dosageInstruction').value,
                 usage_tip: document.getElementById('usageTip').value