Three companies in Shenzhen University Town have achieved full coverage of wifi. These three are Shenzhen Graduate School of Tsinghua University, Shenzhen Graduate School of Peking University and Shenzhen Graduate School of Harbin Institute of Technology. All places with buildings have wifi signals, including teaching buildings, dormitories, libraries, gymnasiums and so on. The equipment is provided by China Mobile, with the logo of China Mobile on it. There are two SSID, one from China Mobile and the other from University Town. Students can connect to the SSID of the university town and access the Internet through online accounts on campus. Internet access fee is 20 yuan/month, without any restrictions. Internet fees of individual colleges are paid by colleges and provided to students free of charge.

With the rapid development of educational informatization, campus network has become an important part of campus life and the main way for teachers and students to obtain resources and information. It closely links the departments and students on campus with the administrators engaged in social, academic and commercial activities, and plays an important role in the education system.

At present, campus WiFi network coverage is a scene of fierce competition among major operators. Covering many areas that cannot be reached by wired networks through WiFi allows users to access mobile networks anytime and anywhere and enjoy their convenient services. WiFi plays an important role in today's campus network, and users like it more and more. This paper mainly discusses the networking mode and coverage scheme of buildings in various scenes on campus.