The internet which has entered in China 20 years has brought a huge impact on all aspects of Chinese society.Recalling the internet 20 years of development has a certain reference value for the future development of China’s internet.This article will outline to the development process of the internet in China into a preliminary exploration of internet technology，constantly improve the continuous advance，information network infrastructure construction，leapfrog development of internet applications，as well as the construction and development of the internet to explore and actively promote the five stages of the development process of the internet in China by historical context as to the outcome of significant progress and representative of the various stages of the weft，intertwined picture show roughly 20 years of China’s internet development.