diff --git a/include/card_types.hrl b/include/card_types.hrl
new file mode 100644
index 0000000..3c5be27
--- /dev/null
+++ b/include/card_types.hrl
@@ -0,0 +1,47 @@
+%%% 斗地主牌型定义
+%%% Created: 2023-05-15
+%%% Author: AI Assistant
+
+%% 牌型定义
+-define(CARD_TYPE_SINGLE, single).       % 单牌
+-define(CARD_TYPE_PAIR, pair).           % 对子
+-define(CARD_TYPE_TRIPLE, triple).       % 三张
+-define(CARD_TYPE_TRIPLE_ONE, three_one). % 三带一
+-define(CARD_TYPE_TRIPLE_TWO, three_two). % 三带二
+-define(CARD_TYPE_STRAIGHT, straight).   % 顺子
+-define(CARD_TYPE_STRAIGHT_PAIR, straight_pair). % 连对
+-define(CARD_TYPE_PLANE, plane).         % 飞机
+-define(CARD_TYPE_PLANE_ONE, plane_one). % 飞机带单
+-define(CARD_TYPE_PLANE_TWO, plane_two). % 飞机带对
+-define(CARD_TYPE_FOUR_TWO, four_two).   % 四带二
+-define(CARD_TYPE_BOMB, bomb).           % 炸弹
+-define(CARD_TYPE_ROCKET, rocket).       % 火箭
+
+%% 斗地主AI状态记录
+-record(state, {
+    player_id,           % AI 玩家ID
+    role,               % dizhu | nongmin (地主或农民)
+    known_cards = [],   % 已知的牌
+    hand_cards = [],    % 手牌
+    played_cards = [],  % 已打出的牌
+    other_players = [], % 其他玩家信息
+    game_history = [],  % 游戏历史
+    strategy_cache = #{} % 策略缓存
+}).
+
+%% 牌值定义
+-define(CARD_VALUE_3, 3).
+-define(CARD_VALUE_4, 4).
+-define(CARD_VALUE_5, 5).
+-define(CARD_VALUE_6, 6).
+-define(CARD_VALUE_7, 7).
+-define(CARD_VALUE_8, 8).
+-define(CARD_VALUE_9, 9).
+-define(CARD_VALUE_10, 10).
+-define(CARD_VALUE_J, 11).
+-define(CARD_VALUE_Q, 12).
+-define(CARD_VALUE_K, 13).
+-define(CARD_VALUE_A, 14).
+-define(CARD_VALUE_2, 15).
+-define(CARD_VALUE_SMALL_JOKER, 16).
+-define(CARD_VALUE_BIG_JOKER, 17).
\ No newline at end of file