What if someone keeps calling and sending messages to harass me?

Legal analysis: 1. Telephone harassment of commercial promotion by telephone, which involves violation of the provisions of the Advertising Law, can complain and report to the market supervision and management departments and relevant departments. 2. For cases that may be suspected of telecom fraud, extortion and other illegal crimes through telephone harassment, the telephone number of the other party should be collected and recorded, and the public security organ should be alerted in time. 3. For telephone harassment that may be suspected of infringing citizens' personal information, especially for the illegal and criminal acts of employees in telecommunications, finance, medical care, education, property, logistics, delivery and other units who illegally sell or provide citizens' personal information to others, clues can be provided to the public security organs by writing down the harassing telephone number, so that the public security organs can collect evidence in a targeted manner and jointly crack down on crimes of infringing citizens' personal information.

Legal basis: Article 253 of the Criminal Law of People's Republic of China (PRC) violates the relevant provisions of the state by selling or providing citizens' personal information to others. If the circumstances are serious, he shall be sentenced to fixed-term imprisonment of not more than three years or criminal detention, and shall also or only be fined; If the circumstances are especially serious, he shall be sentenced to fixed-term imprisonment of not less than three years but not more than seven years and shall also be fined. Whoever, in violation of the relevant provisions of the state, sells or provides others with personal information of citizens obtained in the course of performing their duties or providing services shall be given a heavier punishment in accordance with the provisions of the preceding paragraph. Whoever steals or illegally obtains citizens' personal information by other means shall be punished in accordance with the provisions of the first paragraph.