Intelligent Key Management System guarantees perfect organization of a large number of keys scientifically via RFID technology.Users have to be authorized strictly for taking or returning of keys in advance and then get access to key cabinet to draw or return keys. Administrator could also setup effectively for personnel, keys and so on according to the different service environments so that it will be more convenient to inquiry the keys status and record the users’ detailed information. Control to organize keys for taking or returning by internet solves the problems and matters as much as possible due to incorrect management of keys, which realizes unmanned and scientific management of keys.