diff --git a/tests/army/cmdline/taosCli.py b/tests/army/cmdline/taosCli.py
index f57f594854..aed9400111 100644
--- a/tests/army/cmdline/taosCli.py
+++ b/tests/army/cmdline/taosCli.py
@@ -89,7 +89,36 @@ class TDTestCase(TBase):
         # get empty result
         rlist = self.taos(f'{mode} -r -s "select * from {db}.{stb} where ts < 1"')
         self.checkListString(rlist, "Query OK, 0 row(s) in set")
-    
+
+
+    def checkDecimalCommon(self, col, value):
+        rlist = self.taos(f'-s "select {col} from testdec.test"')
+        self.checkListString(rlist, value)
+
+        outfile = "decimal.csv"
+        self.taos(f'-s "select {col} from testdec.test>>{outfile}"')
+        rlist = self.readFileToList(outfile)
+        self.checkListString(rlist, value)
+        self.deleteFile(outfile)
+
+
+    def checkDecimal(self):
+        # prepare data
+        self.taos(f'-s "drop database if exists testdec"')
+        self.taos(f'-s "create database if not exists testdec"')
+        self.taos(f'-s "create table if not exists testdec.test(ts timestamp, dec64 decimal(10,6), dec128 decimal(24,10)) tags (note nchar(20))"')
+        self.taos(f'-s "create table testdec.d0 using testdec.test(note) tags(\'test\')"')
+        self.taos(f'-s "insert into testdec.d0 values(now(), \'9876.123456\', \'123456789012.0987654321\')"')
+        
+        # check decimal64
+        self.checkDecimalCommon("dec64", "9876.123456")
+
+        # check decimal128
+        self.checkDecimalCommon("dec128", "123456789012.0987654321")
+
+        self.taos(f'-s "drop database if exists testdec"')
+
+
     def checkBasic(self):
         tdLog.info(f"check describe show full.")
 
@@ -105,6 +134,8 @@ class TDTestCase(TBase):
         ]
         for arg in args:
             self.checkResultWithMode(db, stb, arg)
+        
+        self.checkDecimal()
 
 
     def checkDumpInOutMode(self, source, arg, db, insertRows):
diff --git a/tests/army/frame/caseBase.py b/tests/army/frame/caseBase.py
index a59c9a4441..37f025468c 100644
--- a/tests/army/frame/caseBase.py
+++ b/tests/army/frame/caseBase.py
@@ -524,3 +524,17 @@ class TBase:
                 os.remove(filename)
         except Exception as err:
             raise Exception(err)
+
+    # read file to list
+    def readFileToList(self, filePath):
+        try:
+            with open(filePath, 'r', encoding='utf-8') as file:
+                lines = file.readlines()
+            # Strip trailing newline characters
+            return [line.rstrip('\n') for line in lines]
+        except FileNotFoundError:
+            tdLog.info(f"Error: File not found {filePath}")
+            return []
+        except Exception as e:
+            tdLog.info(f"Error reading file: {e}")
+            return []