diff --git a/pre_commit_hooks/check_naming_convention.py b/pre_commit_hooks/check_naming_convention.py
new file mode 100644
index 0000000..52c80e5
--- /dev/null
+++ b/pre_commit_hooks/check_naming_convention.py
@@ -0,0 +1,20 @@
+import re
+import sys
+import os
+
+def check_naming_convention(files):
+    for file_path in files:
+        with open(file_path, 'r') as file:
+            lines = file.readlines()
+            for line_num, line in enumerate(lines, start=1):
+                words = re.findall(r'\b[a-zA-Z0-9_]+\b', line)
+                for word in words:
+                    if re.match(r'^[a-z]+(?:_[a-z]+)*$', word):
+                        continue  # Valid snake_case
+                    elif re.match(r'^[A-Z][a-zA-Z0-9]*$', word):
+                        if '_' in word:
+                            print(f"WARNING: CamelCase with underscores found in {os.path.basename(file_path)}:{line_num}: {word}")
+                        continue  # Valid CamelCase
+                    else:
+                        print(f"ERROR: Invalid naming convention in {os.path.basename(file_path)}:{line_num}: {word}")
+                        sys.exit(1)