diff --git a/python游戏21点.py b/python游戏21点.py
new file mode 100644
index 0000000..abe7470
--- /dev/null
+++ b/python游戏21点.py
@@ -0,0 +1,138 @@
+import random
+
+
+class Deck:
+    """牌组类"""
+
+    def __init__(self):
+        self.cards = []
+        self.reset()
+
+    def reset(self):
+        """重置并洗牌"""
+        suits = ['♠', '♥', '♣', '♦']
+        ranks = [
+            ('2', 2), ('3', 3), ('4', 4), ('5', 5), ('6', 6), ('7', 7),
+            ('8', 8), ('9', 9), ('10', 10), ('J', 10), ('Q', 10),
+            ('K', 10), ('A', 11)
+        ]
+        self.cards = [(suit, rank[0], rank[1]) for suit in suits for rank in ranks]
+        random.shuffle(self.cards)
+
+    def deal_card(self):
+        """发一张牌"""
+        return self.cards.pop()
+
+
+class Player:
+    """玩家类"""
+
+    def __init__(self, name):
+        self.name = name
+        self.hand = []
+        self.score = 0
+
+    def add_card(self, card):
+        """添加手牌"""
+        self.hand.append(card)
+        self.calculate_score()
+
+    def calculate_score(self):
+        """计算当前分数（处理A的1/11逻辑）"""
+        self.score = sum(card[2] for card in self.hand)
+        aces = sum(1 for card in self.hand if card[1] == 'A')
+
+        # 如果爆牌且有A，将A视为1分
+        while self.score > 21 and aces > 0:
+            self.score -= 10
+            aces -= 1
+
+    def show_hand(self, hide_first=False):
+        """显示手牌"""
+        if hide_first:
+            print(f"{self.name}的手牌: [隐藏牌], {self.hand[1][0]}{self.hand[1][1]}")
+        else:
+            cards = ' '.join([f"{card[0]}{card[1]}" for card in self.hand])
+            print(f"{self.name}的手牌: {cards} | 分数: {self.score}")
+
+
+class BlackjackGame:
+    """21点游戏类"""
+
+    def __init__(self):
+        self.deck = Deck()
+        self.player = Player("玩家")
+        self.dealer = Player("庄家")
+
+    def initial_deal(self):
+        """初始发牌"""
+        for _ in range(2):
+            self.player.add_card(self.deck.deal_card())
+            self.dealer.add_card(self.deck.deal_card())
+
+    def player_turn(self):
+        """玩家回合"""
+        while True:
+            self.player.show_hand()
+            if self.player.score >= 21:
+                return
+
+            action = input("要牌(H)还是停牌(S)? ").upper()
+            if action == 'H':
+                self.player.add_card(self.deck.deal_card())
+            elif action == 'S':
+                break
+            else:
+                print("无效输入，请输入H或S")
+
+    def dealer_turn(self):
+        """庄家回合（自动逻辑）"""
+        self.dealer.show_hand()
+        while self.dealer.score < 17:
+            self.dealer.add_card(self.deck.deal_card())
+            self.dealer.show_hand()
+
+    def check_winner(self):
+        """判断胜负"""
+        p_score = self.player.score
+        d_score = self.dealer.score
+
+        print("\n=== 最终结果 ===")
+        self.player.show_hand()
+        self.dealer.show_hand()
+
+        if p_score > 21:
+            print("玩家爆牌，庄家赢！")
+        elif d_score > 21:
+            print("庄家爆牌，玩家赢！")
+        elif p_score > d_score:
+            print("玩家赢！")
+        elif d_score > p_score:
+            print("庄家赢！")
+        else:
+            print("平局！")
+
+    def play_game(self):
+        """开始游戏"""
+        print("=== 21点游戏 ===")
+        self.initial_deal()
+
+        # 显示庄家的明牌
+        self.dealer.show_hand(hide_first=True)
+
+        # 玩家回合
+        self.player_turn()
+
+        # 如果玩家没爆牌才进行庄家回合
+        if self.player.score <= 21:
+            self.dealer_turn()
+
+        self.check_winner()
+
+
+if __name__ == "__main__":
+    while True:
+        game = BlackjackGame()
+        game.play_game()
+        if input("\n再玩一次？(Y/N) ").upper() != 'Y':
+            break
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