The invention provides a Chinese family tree management system, comprising a family tree registering module, an information inputting module, a forum module, an inquiring module and a correlating module. The invention further provides a Chinese family tree management method. According to the Chinese family tree management system and the Chinese family tree management method, not only can old people, to whom the internet is not accessible , be helped to carry out the input of a family tree through active services of intranet working personnel, the information source of a family free is increased, and the family tree is further completed, but also relational clans, who are out of touch with one another, can be correlated, so that the root seeking is realized; all related people in the present clan can be found layer by layer through a relational graph; an intranet is connected with an extranet through a gatekeeper, so that information sharing is better weighed, and privacy protection is better realized.