diff --git a/backend/check_table_schema.py b/backend/check_table_schema.py
new file mode 100644
index 0000000..71432a0
--- /dev/null
+++ b/backend/check_table_schema.py
@@ -0,0 +1,54 @@
+"""
+SALE_MAIN 테이블 컬럼 확인 스크립트
+"""
+
+import sys
+import os
+sys.path.insert(0, os.path.dirname(__file__))
+
+from db.dbsetup import DatabaseManager
+from sqlalchemy import text
+
+def check_sale_table_columns(table_name):
+    """테이블의 모든 컬럼 확인"""
+    db_manager = DatabaseManager()
+
+    try:
+        session = db_manager.get_session('PM_PRES')
+
+        # SQL Server에서 테이블 컬럼 정보 조회
+        query = text(f"""
+            SELECT
+                COLUMN_NAME,
+                DATA_TYPE,
+                CHARACTER_MAXIMUM_LENGTH,
+                IS_NULLABLE
+            FROM INFORMATION_SCHEMA.COLUMNS
+            WHERE TABLE_NAME = '{table_name}'
+            ORDER BY ORDINAL_POSITION
+        """)
+
+        columns = session.execute(query).fetchall()
+
+        print("=" * 80)
+        print(f"{table_name} 테이블 컬럼 목록")
+        print("=" * 80)
+
+        for col in columns:
+            nullable = "NULL" if col.IS_NULLABLE == 'YES' else "NOT NULL"
+            max_len = f"({col.CHARACTER_MAXIMUM_LENGTH})" if col.CHARACTER_MAXIMUM_LENGTH else ""
+            print(f"{col.COLUMN_NAME:30} {col.DATA_TYPE}{max_len:20} {nullable}")
+
+        print("=" * 80)
+        print(f"총 {len(columns)}개 컬럼")
+        print("=" * 80)
+
+    except Exception as e:
+        print(f"오류 발생: {e}")
+    finally:
+        db_manager.close_all()
+
+if __name__ == '__main__':
+    check_sale_table_columns('SALE_MAIN')
+    print("\n\n")
+    check_sale_table_columns('SALE_SUB')