The invention provides a control system for the information safety to solve the safe problems existed in the business system, and prevent the important data from leakage and illegal interpolation. The system includes: key management module, key negotiation module, code interface module, log management module, security management module and mistake processing module. The control system for the information safety provided by the invention can combine with the business system closely, and it is classified following the business system on the structure design, the business logic of every hierarchy has the corresponding security control to protect the every aspects of business, and the business safety technical measures cover the every aspect of business system that includes data transmission, data storage, database, files, logs and operation certification and so on, and it can assure the confidentiality, integrality, anti-aggression, usability, anti-repudiation, ID identify and authority control of business system.