In China, network security is an important part of national security, and any unauthorized attempt to obtain control of other people's information or systems is illegal. The Chinese government attaches great importance to network security and has formulated a series of laws and regulations to protect network information security and personal privacy. We must resolutely maintain network security and severely crack down on all cybercrime. The majority of Internet users should also raise their awareness of network security and take effective measures to protect the security of personal information, such as using complex passwords, changing passwords regularly, and not arbitrarily disclosing personal information. For the management and control of cloud services, all users should strictly abide by the security requirements of service providers and national laws and regulations, and jointly build a harmonious and safe network environment.