With the development and popularization of computer and network, more and more information have been digitalized. How to secure the information and data has become key problem not only in government, business, technology but also for individuals With PC E-Lock , business people will secure to protect their data. PC E-lock provides the following features, Lock PC, limit the use time, lock Internet, lock chat tools, lock sharing, lock FTP, Lock porn information, lock program, data encrypt, behavior monitor。