diff --git a/resources/tester/test_sheet_drawing_select.py b/resources/tester/test_sheet_drawing_select.py
index 4d43320e..88822d95 100644
--- a/resources/tester/test_sheet_drawing_select.py
+++ b/resources/tester/test_sheet_drawing_select.py
@@ -19,12 +19,13 @@ OPS = ROOT / "ui_template" / "sheet" / "ui_template_sheet_ops.ts"
 pytestmark = pytest.mark.skipif(shutil.which("node") is None, reason="node 가 없음")
 
 SCRIPT = """
-const { navRows, selectionOf } = await import(process.argv[1]);
+const { navRows, selectionOf, isBlankPick } = await import(process.argv[1]);
 const doc = JSON.parse(process.argv[2]);
 console.log(JSON.stringify({
   master: navRows(doc, "master"),
   project: navRows(doc, "project"),
   pick: [selectionOf(doc, "s:drawing", "c2"), selectionOf(doc, "d:r1", "c1"), selectionOf(doc, "s:unit", "zz")],
+  blank: ["s:price", "s:drawing", "s:basis", "s:desc", "d:r1"].map((k) => [isBlankPick(k, { id: "t", 머리: [], 꼴: "글" }), isBlankPick(k, { id: "n", 머리: [], 꼴: "수" })]),
 }));
 """
 
@@ -62,3 +63,9 @@ def test_selection_shape():
         {"row": "d:r1", "col": 0, "colId": "c1"},
         {"row": "s:unit", "col": -1, "colId": None},
     ]
+
+
+def test_text_column_pick_rows_blank():
+    assert _run()["blank"] == [
+        [True, False], [True, False], [True, False], [False, False], [False, False],
+    ]  # fmt: skip
diff --git a/ui_template/sheet/ui_template_sheet.ts b/ui_template/sheet/ui_template_sheet.ts
index df3fa706..9b692e7d 100644
--- a/ui_template/sheet/ui_template_sheet.ts
+++ b/ui_template/sheet/ui_template_sheet.ts
@@ -22,6 +22,7 @@ import {
   canDeleteRow,
   deleteColumn,
   deleteRow,
+  isBlankPick,
   KEY_BASIS,
   KEY_DRAWING,
   KEY_PRICE,
@@ -235,6 +236,7 @@ export function createSheet(host: HTMLElement, input: SheetDoc, opts: SheetOptio
     const sel = state.sel;
     const col = sel && colOf(sel.c);
     if (!sel || !col) return;
+    if (isBlankPick(sel.r, col)) return; // 글 열은 빈칸 · 잠김
     if (opts.onPick && state.mode === "master" && PICK_ROWS.includes(sel.r)) {
       if (initial === undefined) void pick(sel.r, col.id); // 글자를 쳐서는 안 엶
       return;
diff --git a/ui_template/sheet/ui_template_sheet_ops.ts b/ui_template/sheet/ui_template_sheet_ops.ts
index 02996e43..488b39bb 100644
--- a/ui_template/sheet/ui_template_sheet_ops.ts
+++ b/ui_template/sheet/ui_template_sheet_ops.ts
@@ -28,6 +28,10 @@ export type MasterRowKey = (typeof MASTER_ROWS)[number];
 /** 조회 후 선택 줄 — `onPick` 을 주면 이 줄 칸은 치지 않고 고름. */
 export const PICK_ROWS: readonly string[] = [KEY_PRICE, KEY_DRAWING, KEY_BASIS];
 
+/** 글 열(NO · 측점 · 비고 같은 꼴=글)의 일위대가 · 도면 · 산출근거 칸 — 빈칸 · 잠김. */
+export const isBlankPick = (key: string, col: SheetColumn): boolean =>
+  PICK_ROWS.includes(key) && col.꼴 === "글";
+
 /** 키보드로 옮겨 다니는 줄 차례(쪽을 가로지름). */
 export function navRows(doc: SheetDoc, mode: SheetMode): string[] {
   const special = mode === "master" ? [KEY_UNIT, ...MASTER_ROWS] : [KEY_UNIT];
diff --git a/ui_template/sheet/ui_template_sheet_render.ts b/ui_template/sheet/ui_template_sheet_render.ts
index dc488dc3..1b34465c 100644
--- a/ui_template/sheet/ui_template_sheet_render.ts
+++ b/ui_template/sheet/ui_template_sheet_render.ts
@@ -14,6 +14,7 @@ import { columnNames, formulaLabel, headMinWidths, textWidth } from "./ui_templa
 import {
   cellEditable,
   isBoundColumn,
+  isBlankPick,
   isCalcColumn,
   KEY_BASIS,
   KEY_DRAWING,
@@ -64,7 +65,7 @@ function headFont(): string {
 
 /** 칸을 고칠 수 있나 — 줄 열쇠 기준(머리 칸은 따로) · 도면 · 산출근거 줄은 손으로 못 침. */
 export function keyEditable(state: RenderState, key: string, col: SheetColumn): boolean {
-  if (key === KEY_DRAWING || key === KEY_BASIS) return false;
+  if (key === KEY_DRAWING || key === KEY_BASIS || isBlankPick(key, col)) return false;
   if (key.startsWith("s:")) return state.mode === "master";
   if (key.startsWith("t:")) return false;
   const row = state.doc.줄.find((r) => `d:${r.id}` === key);
@@ -178,8 +179,10 @@ export function renderSheet(state: RenderState): HTMLElement {
     )[key];
     const tr = el("tr", { className: "ui-sheet__meta", children: [gutter("th", st(label))] });
     cols.forEach((col, j) => {
-      const text =
-        key === "s:formula"
+      const blank = isBlankPick(key, col);
+      const text = blank
+        ? ""
+        : key === "s:formula"
           ? formulaLabel(col.식 ?? "", names, col.id)
           : key === "s:desc"
             ? ""
@@ -188,7 +191,7 @@ export function renderSheet(state: RenderState): HTMLElement {
               : (col.일위대가 ?? "");
       const td = bodyCell(key, col, j, text);
       td.classList.remove("is-num");
-      if (state.pick && PICK_ROWS.includes(key)) td.classList.add("is-pick");
+      if (state.pick && PICK_ROWS.includes(key) && !blank) td.classList.add("is-pick");
       if (key === "s:formula" && col.식) {
         // 같은 종류 열은 짧은 이름 · 풍선은 긴 이름 + 고칠 때 쓰는 id 식
         td.textContent = "";