The first solution for SNS affect people’s privacy is that we need to continuous enhance arwareness of people’s self- protection.Netizens need to selective trust the SNS,and reminds themselves in the virtual network all the times,as far as possible to reduce the damage degree to a minimum.According to Jim Harper,Director of Information Policy Studies,Cato Institute.“The better approach is consumer awareness and empowerment...The privacy-sensitive can protect themselves wherever they go on the Internet,while the rest get the interaction they want.” That shows,online user skillfully use teh social networks is based on pay attention to their demand and believe the SNS.In short,when user improve their arwareness and requirements to SNS,so that the communication on SNS will be more optimism.