Legal analysis: If the circumstances are serious, you can call the police.

Legal basis: "Public Security Administration Punishment Law of the People's Republic of China" Article 42 Whoever commits any of the following acts shall be detained for not more than 5 days or fined not more than 500 yuan; if the circumstances are more serious, , shall be detained for not less than 5 days but not more than 10 days, and may also be fined not more than 500 yuan:

(1) Writing threatening letters or threatening the personal safety of others in other ways;

(2) ) Blatantly insulting others or fabricating facts to slander others;

(3) Fabricating facts to frame others in an attempt to subject others to criminal prosecution or public security management penalties;

(4) Threatening, insulting, beating or retaliating against witnesses and their close relatives;

(5) Repeatedly sending obscene, insulting, threatening or other messages to interfere with the normal life of others;