How to complain about being harassed by SMS?

It is illegal to collect harassing address books. According to Article 42 of the Law of People's Republic of China (PRC) on Public Security Administration Punishment, anyone who commits one of the following acts shall be detained for not more than five days or fined not more than five hundred yuan; If the circumstances are serious, he shall be detained for not less than five days but not more than ten days, and may also be fined not more than 500 yuan: (1) writing threatening letters or threatening the personal safety of others by other means; (2) publicly insulting others or fabricating facts to slander others; (3) fabricating facts, falsely accusing and framing others, and attempting to subject others to criminal investigation or public security administration punishment; (4) Threatening, insulting, beating or retaliating against witnesses and their close relatives; (5) sending obscene, insulting, intimidating or other information for many times to interfere with the normal life of others; (six) voyeurism, sneak shots, eavesdropping, spreading the privacy of others.

Legal objectivity:

Article 680 of the Civil Code prohibits high-interest lending, and the lending rate shall not violate the relevant provisions of the state. If there is no agreement on interest payment in the loan contract, it shall be deemed that the agreement on interest payment in the interest-free loan contract is unclear, and if the parties cannot reach a supplementary agreement, the interest shall be determined according to the local or the parties' trading methods, trading habits, market interest rates and other factors; Loans between natural persons are regarded as interest-free. Article 42 of the Law on Public Security Administration Punishment commits one of the following acts, and shall be detained for less than five days or fined less than five hundred yuan; If the circumstances are serious, he shall be detained for not less than five days but not more than ten days, and may also be fined not more than 500 yuan: (1) writing threatening letters or threatening the personal safety of others by other means; (2) publicly insulting others or fabricating facts to slander others; (3) fabricating facts, falsely accusing and framing others, and attempting to subject others to criminal investigation or public security administration punishment; (4) Threatening, insulting, beating or retaliating against witnesses and their close relatives; (5) sending obscene, insulting, intimidating or other information for many times to interfere with the normal life of others; (six) voyeurism, sneak shots, eavesdropping, spreading the privacy of others.