Abstract: In the information era, how to acquire, store, organize and use personal information, and how to protect personal information security and avoid risk when people face vast amounts of information have no time to delay. The good or poor of personal information management profoundly affect people’s life and work efficiency. Uncontrolled and unorganized information don't constitute needed resource, in reverse, they confuse people and prevent people absorbing and utilizing information. Therefore, it should overcome discrete and fragmentized phenomenon, and strengthen the management, development and utilization of personal information resource. To protect personal information security for risk avoidance has been the main task in the information era.

Key words: Personal information