diff --git a/app/modules/cupang/router.py b/app/modules/cupang/router.py
index b90c4d0..4c79b53 100644
--- a/app/modules/cupang/router.py
+++ b/app/modules/cupang/router.py
@@ -552,6 +552,7 @@ async def box_rules_page(request: Request) -> HTMLResponse:
             "page_title": "쿠팡 밀크런 — 박스 입수량",
             "page_subtitle": "제품코드별 쿠팡박스 1박스당 입수량 설정",
             "box_rules": store.list_box_rules(include_inactive=True),
+            "products": store.list_products(),
             "search_enabled": bool((_itemcode(request)) and _itemcode(request).enabled),
         },
     )
diff --git a/app/modules/cupang/templates/cupang/box_rules.html b/app/modules/cupang/templates/cupang/box_rules.html
index e133def..783efb5 100644
--- a/app/modules/cupang/templates/cupang/box_rules.html
+++ b/app/modules/cupang/templates/cupang/box_rules.html
@@ -1,6 +1,6 @@
 {% extends "erp_base.html" %}
 
-{% block head_extra %}<link rel="stylesheet" href="/static/cupang.css?v=20260530c" />{% endblock %}
+{% block head_extra %}<link rel="stylesheet" href="/static/cupang.css?v=20260530d" />{% endblock %}
 
 {% block content %}
 <section class="cpg">
@@ -16,12 +16,18 @@
       <span class="erp-muted">같은 제품코드는 덮어씁니다. 쿠팡박스 1박스당 들어가는 수량.</span>
     </div>
     <form method="post" action="/cupang/box-rules">
+      <input type="hidden" name="product_name_snapshot" id="brule-name-snap" />
       <div class="cpg-header-grid">
-        <label class="erp-field"><span>제품코드 *</span>
-          <input class="erp-input" type="text" name="product_code" required placeholder="예: MS-1001" /></label>
-        <label class="erp-field"><span>제품명</span>
-          <input class="erp-input" type="text" name="product_name_snapshot" placeholder="예: 미라네 1호세트" /></label>
-        <label class="erp-field"><span>박스명</span>
+        <label class="erp-field"><span>제품명 *</span>
+          <select class="erp-select" id="brule-name" required>
+            <option value="">— 제품명 선택 —</option>
+            {% for p in products %}
+            <option value="{{ p.product_code }}" data-name="{{ p.product_name }}">{{ p.product_name }}</option>
+            {% endfor %}
+          </select></label>
+        <label class="erp-field"><span>제품코드</span>
+          <input class="erp-input" type="text" name="product_code" id="brule-code" required placeholder="제품명 선택 시 자동" /></label>
+        <label class="erp-field"><span>박스이름</span>
           <input class="erp-input" type="text" name="box_name" value="쿠팡박스" /></label>
         <label class="erp-field"><span>박스당 입수량 *</span>
           <input class="erp-input" type="number" name="units_per_box" min="1" required /></label>
@@ -32,8 +38,25 @@
         <button type="submit" class="erp-btn erp-btn-primary">저장</button>
       </div>
     </form>
+    {% if not products %}
+    <p class="erp-muted"><a href="/cupang/products">설정에서 제품명을 먼저 등록</a>하면 드롭다운에 표시됩니다.</p>
+    {% endif %}
   </div>
 
+  <script>
+    (function () {
+      var sel = document.getElementById("brule-name");
+      var code = document.getElementById("brule-code");
+      var snap = document.getElementById("brule-name-snap");
+      if (!sel) return;
+      sel.addEventListener("change", function () {
+        var opt = sel.options[sel.selectedIndex];
+        code.value = sel.value;
+        snap.value = opt ? (opt.getAttribute("data-name") || "") : "";
+      });
+    })();
+  </script>
+
   <!-- 목록 -->
   <div class="erp-card cpg-form-card">
     <div class="cpg-card-head"><h2>입수량 규칙 ({{ box_rules|length }})</h2></div>
diff --git a/app/modules/cupang/templates/cupang/centers.html b/app/modules/cupang/templates/cupang/centers.html
index 0db703b..bfd5c6c 100644
--- a/app/modules/cupang/templates/cupang/centers.html
+++ b/app/modules/cupang/templates/cupang/centers.html
@@ -1,6 +1,6 @@
 {% extends "erp_base.html" %}
 
-{% block head_extra %}<link rel="stylesheet" href="/static/cupang.css?v=20260530c" />{% endblock %}
+{% block head_extra %}<link rel="stylesheet" href="/static/cupang.css?v=20260530d" />{% endblock %}
 
 {% block content %}
 <section class="cpg">
diff --git a/app/modules/cupang/templates/cupang/detail.html b/app/modules/cupang/templates/cupang/detail.html
index aa6d8f8..c4afea1 100644
--- a/app/modules/cupang/templates/cupang/detail.html
+++ b/app/modules/cupang/templates/cupang/detail.html
@@ -1,6 +1,6 @@
 {% extends "erp_base.html" %}
 
-{% block head_extra %}<link rel="stylesheet" href="/static/cupang.css?v=20260530c" />{% endblock %}
+{% block head_extra %}<link rel="stylesheet" href="/static/cupang.css?v=20260530d" />{% endblock %}
 
 {% block content %}
 <section class="cpg">
diff --git a/app/modules/cupang/templates/cupang/form.html b/app/modules/cupang/templates/cupang/form.html
index 6212529..1a54dc4 100644
--- a/app/modules/cupang/templates/cupang/form.html
+++ b/app/modules/cupang/templates/cupang/form.html
@@ -1,6 +1,6 @@
 {% extends "erp_base.html" %}
 
-{% block head_extra %}<link rel="stylesheet" href="/static/cupang.css?v=20260530c" />{% endblock %}
+{% block head_extra %}<link rel="stylesheet" href="/static/cupang.css?v=20260530d" />{% endblock %}
 
 {% block content %}
 <section class="cpg">
@@ -118,4 +118,4 @@
 </script>
 {% endblock %}
 
-{% block scripts %}<script src="/static/cupang.js?v=20260530c" defer></script>{% endblock %}
+{% block scripts %}<script src="/static/cupang.js?v=20260530d" defer></script>{% endblock %}
diff --git a/app/modules/cupang/templates/cupang/index.html b/app/modules/cupang/templates/cupang/index.html
index 229d532..4b125ae 100644
--- a/app/modules/cupang/templates/cupang/index.html
+++ b/app/modules/cupang/templates/cupang/index.html
@@ -1,6 +1,6 @@
 {% extends "erp_base.html" %}
 
-{% block head_extra %}<link rel="stylesheet" href="/static/cupang.css?v=20260530c" />{% endblock %}
+{% block head_extra %}<link rel="stylesheet" href="/static/cupang.css?v=20260530d" />{% endblock %}
 
 {% block content %}
 <section class="cpg">
diff --git a/app/modules/cupang/templates/cupang/products.html b/app/modules/cupang/templates/cupang/products.html
index 5f90e79..a4c1aca 100644
--- a/app/modules/cupang/templates/cupang/products.html
+++ b/app/modules/cupang/templates/cupang/products.html
@@ -1,6 +1,6 @@
 {% extends "erp_base.html" %}
 
-{% block head_extra %}<link rel="stylesheet" href="/static/cupang.css?v=20260530c" />{% endblock %}
+{% block head_extra %}<link rel="stylesheet" href="/static/cupang.css?v=20260530d" />{% endblock %}
 
 {% block content %}
 <section class="cpg">
diff --git a/app/templates/erp_base.html b/app/templates/erp_base.html
index b56dce1..1f3c17e 100644
--- a/app/templates/erp_base.html
+++ b/app/templates/erp_base.html
@@ -4,8 +4,8 @@
     <meta charset="utf-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1" />
     <title>{{ page_title or "ERP" }} — DBX Corporation</title>
-    <link rel="stylesheet" href="/static/erp.css?v=20260530c" />
-    <link rel="stylesheet" href="/static/erp-shell.css?v=20260530c" />
+    <link rel="stylesheet" href="/static/erp.css?v=20260530d" />
+    <link rel="stylesheet" href="/static/erp-shell.css?v=20260530d" />
     <link rel="stylesheet" href="/static/erp-attach-viewer.css" />
     {% block head_extra %}{% endblock %}
   </head>