The invention relates to a kind of telephone client document information management system, which is made up of computer, fixed telephone and system adapter. When there has a call, the computer invokes the correspondent relation client of the number in the databank, and displays the basic data and the nearest service relation state of the client; at the same time, the computer stores the communication time and the content automatically. It can arrange the text record according to tape. When the telephone is not protected, it plays the record message automatically, and records the message. The databank can retrieve according to the client name, telephone number, service content, communication time, the client document can be inputted by hand, amended, deleted.