Heilongjiang Mahjong is a four-person game, which uses 136 cards (including ten thousand cards, stripes, drums, winds and arrows), and is generally played by 3-4 people. Here are some basic rules of the game:

1. Dealer: In the first game, the system randomly selects a dealer, and then each card is played. If the dealer wins or draws, he will continue to sit in the village and become a joint village; Otherwise, the winner of the competition will sit in the village.

2. Dice rolling: the dealer rolls the dice twice, counting counterclockwise for the first time to find the person who takes the card first, and then the person who takes the card first shakes the sum of two dice points from right to left in front of him for the second time in order to start taking the card.

3. Touch cards: Take two cards at a time (four cards), the dealer takes fourteen cards, and other players take thirteen cards.

4. Playing cards: Players take turns to touch cards, touch cards and leverage cards in counterclockwise order. After touching the cards, they must play an unnecessary card. When the player touches the fourth card, he can use this card.

5. Hupai: Hupai needs to meet certain types of Hupai, such as Pinghu, Mochu, Seven Pairs, Full Color, etc. The specific Hu card rules can be adjusted according to the negotiation between the region and the players.

6. Scoring: After the game, the score is calculated according to the player's type and card type. When the dealer wins, the other three players need to pay a certain score to the dealer.

The above are the basic rules of Heilongjiang Mahjong, but the specific rules and scoring methods of the game may change due to different regions and players. It is recommended to read the rules of the game carefully and abide by them.