With the development of Internet technology，the Internet campanies has gradually become stronger，but such enterprises generally start late in fulfilling their social responsibilities. In recent years，more and more Internet enterprises have begun to attach importance to the practice of Internet public welfare and assume social responsibility from the perspective of Internet public welfare. In the era of “Technology”，how to help the third distribution with their thchnology advantage has become an important issue. This paper adopts the case analysis method and takes Tencent，the first Internet company in China to initiate and establish a public welfare charity foundation，as an example to analyze how Internet enterprises carry out public welfare practices from the perspective of communication，The research suggests that in the future，Internet companies should broaden their international perspective，improve the information disclosure system and pay attention to community building when carrying out public welfare practices.