Abstract: The legal regulation of China’s network public opinion supervision power is a gradual process. It has a close relationship with the development of the network platform on which public opinion depends and people’s cognition of network legal regulation. It is directly related to the overall rule of law in China. The course of the legal regulation of network public opinion supervision power can be roughly divided into three main stages: the initial stage of legal regulation of network public opinion supervision power, the stage of gradual improvement and the stage of further advancement. In the concept of regulation, it is embodied in the concept of network liberalism, network regulation, and socialist rule of law with Chinese characteristics. The legal regulation of network public opinion supervision power shows continuous improvement, and it also exposes some common problems affecting the effect of legal regulation. The existence of these problems and the constant changes in the practice of network public opinion supervision rule determine that the supervision of network public opinion has a long way to go.