The Internet has become an indispensable part of our daily life, bringing us a lot of convenience and fun. On the Internet, we can easily obtain all kinds of information, resources and services such as news, entertainment, education, medical care and finance. At the same time, the Internet also provides a relatively free and open communication space for people. People can share their ideas, opinions and works on the Internet, and they can also make new friends and like-minded people. However, there were also some negative effects and risks on the Internet. Inappropriate use of the internet may pose a threat to our health and information security, such as through malicious software and fishing attacks or the leakage of personal information. False information and rumors on the internet are also worth paying attention to. They may mislead our thinking and behavior and affect our social and mental health. The network is a complex and diverse system. We need to use and manage it correctly to maximize its benefits while avoiding its negative effects and risks. We should remain vigilant and cautious, learn to distinguish between true and false information, avoid being misled by false information and rumors, and protect our health and information security. At the same time, we should also actively participate in the online community and discuss and share our own ideas and views to promote the healthy development of the online community.