The invention discloses an intelligent office social contact system which comprises four functional areas including user information management, system data management, office management and social contact management, and each functional area comprises different sub-functional modules. For the circulation of any file, all the senders and receivers automatically form a chat group, and the group members are only related to the current text sending, so that the information irrelevant to the file is not sent in the group chat, the confidentiality is higher, and the junk information is completely eradicated. A brand-new group chat mode of one thing and one proposal is created for the first time, the working efficiency is improved, and public and private clarification is truly achieved. Meanwhile, the telephone number recording security is high, concepts of two-way friends and one-way friends are provided, and malicious disturbance is avoided. And various information prompts enable the official document to realize rapid and efficient circulation. One owner has multiple numbers, so that a user can use the system in different organizations and does not interfere with each other. And a group chat sender has an independent screen forming function, so that time waste for checking irrelevant information is avoided. The special terminal machine is used for assisting operators on duty, so that other employees get rid of the trouble of various working groups.