Abstract: According to the present situation of information technology in enterprises, this paper develops a set of comprehensive agricultural knowledge base system based on HTTPS protocol. Supported by HTTPS protocol and MVC structure, this platform makes a full use of handshake principle of SSL and the calling convention of JAVA SCRIPT language. After submitting the form of user information to the backstage, the private public key analyzes the form and judges whether the user successful logs in the single sign-on system. The seamless link is achieved to connect two or more low coupling systems together without mortifying the code or few codes, and ultimately develop a comprehensive knowledge of agricultural technology system.