1. Playing mahjong itself requires at least 4 people, so once a mahjong game is successfully organized for profit, it must have organized more than 3 people to gamble, and collected a total of more than 5,000 yuan in profits. It constitutes gambling in a crowd. Entertainment activities designed to enhance friendship and intelligence do not constitute illegal activities.
2. More than two people are required to play billiards. Anyone who gambles when playing billiards and the gambling capital is large will be punished by public security management. Entertainment activities designed to enhance friendship and intelligence do not constitute illegal activities.
3. The "Public Security Management Punishment Law" will impose penalties. According to the regulations, those who provide conditions for gambling for the purpose of profit, or who participate in gambling with large gambling capital, shall be detained for not more than 5 days or fined not more than 500 yuan. Fine; if the circumstances are serious, he shall be detained for not less than 10 days but not more than 15 days, and shall be fined not less than 500 yuan but not more than 3,000 yuan.