What should I do if I am always harassed by a person's phone?

You can complain to the Ministry of Industry and Information Technology.

According to the provisions of the Civil Code, no organization or individual may intrude into other people's private lives by telephone, SMS, instant messaging tools, e-mail, etc. Unless the creditor expressly agrees. If you are often harassed, you can defend your rights through legal channels, such as complaining to the Ministry of Industry and Information Technology and resisting information bombing.

People's Republic of China (PRC) Civil Code

Article 1032 Natural persons have the right to privacy. No organization or individual may infringe upon the privacy rights of others by spying, harassing, exposing or making public.

Privacy is the private space, private activities and private information that natural people live in peace and don't want to be known by others.

Article 103 Unless otherwise provided by law or expressly agreed by the obligee, no organization or individual may commit the following acts:

(a) by telephone, SMS, instant messaging tools, e-mail, leaflets, etc. Disturb the private life of others;

(2) Entering, taking photos or peeping into other people's private spaces such as houses and hotel rooms;

(3) Shooting, peeping, eavesdropping or revealing other people's private activities;

(4) Shooting or peeping at the private parts of others' bodies;

(5) handling other people's private information;

(6) Infringe upon the privacy of others in other ways.