How to report someone gathering to play cards?

Legal analysis: you can report directly to the police. It is still threatened by the epidemic. For the behavior of gathering people to play mahjong, the Notice on Severe Punishment of Epidemic Prevention and Control issued by various localities should belong to epidemic prevention and control and should be cracked down.

Legal basis: Article 70 of the Law of People's Republic of China (PRC) on Public Security Administration Punishment, anyone who participates in gambling with a large amount shall be detained for less than 5 days or fined for less than 500 yuan; If the circumstances are serious, they shall be detained for more than 10 and less than 15, and fined for more than 3,000 yuan in 500 yuan.