diff --git a/debug/accuracy_tools/msprobe/core/common/const.py b/debug/accuracy_tools/msprobe/core/common/const.py
index c0349a692f8368b7dda88c08b2a1e39015d14811..761608cef4b13326480352d830aed12812e0eacb 100644
--- a/debug/accuracy_tools/msprobe/core/common/const.py
+++ b/debug/accuracy_tools/msprobe/core/common/const.py
@@ -321,6 +321,7 @@ class FileCheckConst:
         CSV_SUFFIX: MAX_CSV_SIZE,
         YAML_SUFFIX: MAX_YAML_SIZE
     }
+    CSV_BLACK_LIST = r'^[＋－＝％＠\+\-=%@]|;[＋－＝％＠\+\-=%@]'
 
 
 class OverflowConst:
diff --git a/debug/accuracy_tools/msprobe/core/common/file_utils.py b/debug/accuracy_tools/msprobe/core/common/file_utils.py
index 16095bf2261f33b818f418c63b171bdc09cdb9e1..85c6e35d2d02ec0ea6ecd0f7fdcf310ab47928e2 100644
--- a/debug/accuracy_tools/msprobe/core/common/file_utils.py
+++ b/debug/accuracy_tools/msprobe/core/common/file_utils.py
@@ -22,6 +22,7 @@ import re
 import shutil
 import yaml
 import numpy as np
+import pandas as pd
 
 from msprobe.core.common.log import logger
 from msprobe.core.common.exceptions import FileCheckException
@@ -445,7 +446,25 @@ def save_workbook(workbook, file_path):
     change_mode(file_path, FileCheckConst.DATA_FILE_AUTHORITY)
 
 
-def write_csv(data, filepath, mode="a+"):
+def write_csv(data, filepath, mode="a+", malicious_check=False):
+    def csv_value_is_valid(value: str) -> bool:
+        if not isinstance(value, str):
+            return True  
+        try:
+            # -1.00 or +1.00 should be consdiered as digit numbers
+            float(value)
+        except ValueError:
+            # otherwise, they will be considered as formular injections
+            return not bool(re.compile(FileCheckConst.CSV_BLACK_LIST).search(value))
+        return True
+    
+    if malicious_check:
+        for row in data:
+            for cell in row:
+                if not csv_value_is_valid(cell):
+                    raise RuntimeError(f"Malicious value [{cell}] is not allowed " \
+                                       f"to be written into the csv: {filepath}.")
+
     file_path = os.path.realpath(filepath)
     check_path_before_create(filepath)
     try:
@@ -458,6 +477,16 @@ def write_csv(data, filepath, mode="a+"):
     change_mode(filepath, FileCheckConst.DATA_FILE_AUTHORITY)
 
 
+def read_csv(filepath):
+    check_file_or_directory_path(filepath)
+    try:
+        csv_data = pd.read_csv(filepath)
+    except Exception as e:
+        logger.error(f"The csv file failed to load. Please check the path: {filepath}.")
+        raise RuntimeError(f"Read csv file {filepath} failed.") from e
+    return csv_data
+
+
 def remove_path(path):
     if not os.path.exists(path):
         return
diff --git a/debug/accuracy_tools/msprobe/core/grad_probe/grad_compare.py b/debug/accuracy_tools/msprobe/core/grad_probe/grad_compare.py
index 0a7b89e88dc3d34b1fccb8af9559924144a8b1f9..5ccc9e5ae1e022540c089486fc8a98712154d6c0 100644
--- a/debug/accuracy_tools/msprobe/core/grad_probe/grad_compare.py
+++ b/debug/accuracy_tools/msprobe/core/grad_probe/grad_compare.py
@@ -2,12 +2,11 @@ import os
 from typing import List
 
 from tqdm import tqdm
-import pandas as pd
 import matplotlib.pyplot as plt
 
 from msprobe.core.common.file_utils import create_directory, check_path_before_create, check_file_or_directory_path
 from msprobe.core.common.log import logger
-from msprobe.core.common.file_utils import remove_path, load_npy, write_csv
+from msprobe.core.common.file_utils import remove_path, load_npy, write_csv, read_csv
 from msprobe.core.grad_probe.constant import GradConst
 from msprobe.core.grad_probe.utils import plt_savefig
 
@@ -21,7 +20,7 @@ class GradComparator:
                 continue
             if not os.path.exists(os.path.join(path2, summary_file)):
                 continue
-            summary_csv = pd.read_csv(os.path.join(path1, summary_file))
+            summary_csv = read_csv(os.path.join(path1, summary_file))
             return summary_csv["param_name"]
         raise RuntimeError("no matched grad_summary.csv for comparison, please dump data in same configuration")