How can the hotel call the police when it is arresting a mistress?

You can normally report to the public security organ with a marriage certificate, which is generally legal. When calling the police, you need to explain the specific situation and place so that the police can be present. Of course, don't report a false alarm, or you will bear the corresponding legal consequences. If her husband and mistress live normally as husband and wife, they can be prosecuted for bigamy.

legal ground

Article 258 of the Criminal Code of People's Republic of China (PRC).

Whoever commits bigamy while having a spouse, or marries someone knowing that they have a spouse, shall be sentenced to fixed-term imprisonment of not more than two years or criminal detention.

Article 23 of the Public Security Administration Punishment Law

One of the following acts, a warning or a fine in 200 yuan; If the circumstances are serious, he shall be detained for more than 5 days 10 days, and may also be fined up to 500 yuan:

(1) Disrupting the order of organs, organizations, enterprises and institutions, resulting in work, production, business, medical treatment, teaching and scientific research not being carried out normally, but causing no serious losses;

(2) disturbing the order of stations, ports, docks, airports, shopping malls, parks, exhibition halls or other public places;

(3) disturbing the order on buses, trams, trains, ships, aircraft or other public transport;

(four) illegal interception or forced boarding, boarding motor vehicles, ships, aircraft and other means of transportation, affecting the normal running of vehicles;

(5) disturbing the election order conducted according to law.