diff --git a/card.py b/card.py
new file mode 100644
index 0000000..3cf47ec
--- /dev/null
+++ b/card.py
@@ -0,0 +1,6 @@
+class Card:
+    def __init__(self, cardId, cardPwd, money):
+        self.cardId = cardId
+        self.cardPwd = cardPwd
+        self.money = money
+        self.cardLock = False
\ No newline at end of file