What are the basic rules of Henan Mahjong?

Henan Mahjong originated in China and has a history of 3,000 to 4,000 years. It was passed down from the court to the people, and through continuous evolution, it was basically finalized in the Qing Dynasty. Mahjong, as an important part of traditional Chinese culture, has the charm of a sport that combines puzzles, fun and games, and the characteristics of oriental culture that is rich in connotation and has a long history. Over the centuries, Mahjong has been popular in the north and south of the Yangtze River, and its popularity involves all levels of society, has entered thousands of households, and spread overseas, becoming the most large-scale and influential intellectual sports activities among Chinese people in China and abroad.　National standard mahjong is a kind of mahjong game based on the 81 types of mahjong identified by the Social Sports Guidance Center of the State General Administration of Sports. Mahjong is played by 4 players, East, South, West and North, with the East door wind being the Banker. Each player holds 13 tiles in his/her hand, and by eating, touching and konging the tiles, he/she makes the tiles in his/her hand in accordance with the conditions of the relevant regulations. Basic Terminology 1. Rounds A week's worth of rows of cards is considered a round.　Each time a hand is dealt, it is considered to be a round, and each time a hand is dealt, it is considered to be a round.　A round is one in which each of the four players sits in the dealer's chair once.　A game is one in which each player plays four rounds or reaches a specified time.　The number of laps in each game is signified by the number of laps. The first circle is the east wind circle, the second circle is the south wind circle, the third circle is the west wind circle, and the fourth circle is the north wind circle.　Sixth, the wind of the door Athletes each plate seat signs. The house is the east wind, the next house is the south wind, the opponent is the west wind, and the top house is the north wind.　Positioning The table number and orientation of the athlete as determined by the number of lots drawn.　Banker and Player The player with the East Wind is the Banker, and the rest of the players are the Player. The Banker does not win any consecutive games, regardless of whether or not a draw has been made.　Athletes change their positions during the game in accordance with the rules and regulations of the competition.　The standard number of cards in a hand is thirteen. The process of playing the hand includes the jokers, chows and kongs that are placed in front of the door; the extra cards in the kongs are not counted as part of the standard three-card hand.　XI. Pairs A pair of cards that must be individually combined in order to make a draw according to the basic hand type.　Junk 3 cards of the same suit with the same number of sequences.　Pawn 3 cards of the same suit. The one that is touched is clearly marked and the one that is held in the hand is darkly marked.　Pair Two identical cards.　The Wind and Arrow tiles. The Wind tiles are East, South, West and North. The arrow card is the center, hair, white.　The one, nine and word cards in the sequence.　Eating the cards After the upper house plays a card, the person who reports "eating" takes out his or her two cards and adds them together to form a straight, and according to the regulations, the deck of cards will be displayed in front of the standing cards.　After a card is dealt by either player, the player who reports "touch" removes his/her own pair and adds them together to form a pair, and displays the deck in front of the tiles as required.　KONG The four identical tiles of the open kong are reported.　After catching a Flower tile, the player places it in front of the Standing Tile and replaces it with the last tile from the wall.　A hand that is one card short of the required number of tiles to make a draw.　A hand that meets or exceeds the required standard for a draw and is reported as a draw.　Self-drawn draw The act of grabbing a draw card and reporting it as a draw.　To draw a hand that has been dealt by another player.　The player who announces that he is going to take a card, touch a card, open a kong, make up a flower, or draw a card.　A combination of cards with a certain value, or a way of making a draw.　Penalty Cards Cards that are penalized.　A single card that is not inserted into the hand as it is drawn, but is placed separately for verification.　The number of cards in a hand before a draw is more or less than the number of cards required.　After the 144th card has been caught and played, no one has made a draw.　A draw is declared when the conditions for a draw are not met.　A wall of cards, a city of cards, four people in front of the door into 18 piles of cards, known as the wall of cards. The four walls of cards are connected to the left and right of the wall of cards, called the city of cards.　The four walls are the area surrounded by the four walls.