To better ensure the safety of network, Beilun Education Bureau issued 6 measures recently. And the measures are: first, all the school network must be connected to local educational network exclusively; second, measures must be taken to safeguard the net service; third, a complete record of online service should be established; fourth, the distinction between internal and external nets must be made clear; fifth, the content of the school websites must be supervised and the last one is that measures must be taken to create a healthy and harmonious net environment.