The college education has developed unceasing and the number of collegian is step up with more extrude contradiction of student employment. The tough job market requires the vocational counsel and management should be more scientific, standard and effective. At present, the applied employment management system for the graduates has the characteristics of high-efficiency, convenient with speediness that played an important role in high-efficiency employment of graduates. However, there has hidden danger of high-efficiency network security. The employment management and amount of relevant personal information might affect seriously for the network security questions. Therefore, research the network security of information management system about college employment is very important.