Hello, dear, the reason is to control the behavior of netizens and prevent violations of law and discipline on the Internet. Whoever, in violation of state regulations, deletes, modifies, adds or interferes with the functions of the computer information system, thus making the computer information system unable to operate normally, and the consequences are serious, shall be sentenced to fixed-term imprisonment of not more than five years or criminal detention; If the consequences are especially serious, they shall be sentenced to fixed-term imprisonment of not less than five years. Whoever, in violation of state regulations, deletes, modifies or adds data and applications stored, processed and transmitted in the computer information system, with serious consequences, shall be punished in accordance with the provisions of the preceding paragraph. Whoever intentionally produces and spreads destructive programs such as computer viruses, which affects the normal operation of computer systems and causes serious consequences, shall be punished in accordance with the provisions of the first paragraph. Where a unit commits the crimes mentioned in the preceding three paragraphs, it shall be fined, and the persons who are directly in charge and other persons who are directly responsible shall be punished in accordance with the provisions of the first paragraph.

Legal basis: Article 150 of the Criminal Procedure Law of People's Republic of China (PRC). After filing a case, the public security organ can take technical investigation measures against crimes endangering national security, terrorist activities, organized crimes of underworld nature, major drug crimes or other crimes seriously endangering society after strict approval procedures according to the needs of investigating crimes. After filing a case, the people's procuratorate may, according to the needs of investigating crimes and through strict approval procedures, take technical investigation measures and hand them over to the relevant authorities for execution in accordance with regulations. To hunt down a criminal suspect or defendant who is wanted at large or whose arrest has been approved, the necessary technical investigation measures may be taken upon approval.