With campus information process becomes deeper and deeper, how to build a complete network for the campus of teaching and the student's learning. School campus network is an important building in the direction. The development of information technology makes wired campus network limitations emerging. This paper use of the existing cable network backbone to do, with the expansion of wireless networks, wireless campus network construction program by analyzing the history of wireless LAN, composition, network protocol standards, WLAN and LAN features, and so on. Construction of the network simple, no right of construction, cost savings. It is very easy to change the network structure, the network expansion and equipment upgrading, greatly facilitate the latter part of network maintenance work.
