The invention discloses a marketing terminal security management and control method based on a blockchain intelligent contract. A marketing network and information security management and control platform provides a unified external interface through an application layer terminal trusted management and control micro-service; Related information of the marketing terminal is managed through the marketing terminal, the effectiveness of the access to the marketing terminal is verified, an asynchronous information synchronization service is provided to complete the real-time updating operation of the cache information of the marketing terminal, and the unified management of the marketing terminal can be enhanced. According to the identity authentication system, the cache technology is applied to improve the execution efficiency and the response efficiency of the whole system, and the overall performance of the system is improved; The terminal credible management and control method ensures that access manages the service system through the service system management module, registration of the access service system is completed, relevant information and identification of the service system are stored in the blockchain intelligent contract, meanwhile, a single sign-on scheme is provided for the service system, and the terminal credible management and control method has very good reliability, stability and safety.