This invention discloses a cookie information sharing method that comprises the following steps: reading cookie information in a parent browser, said parent browser being a browser which stores the cookie information; importing the cookie information read from the parent browser into a child browser, said child browser being a browser which needs to acquiring the cookie information from the parent browser. This application also provides a cookie information sharing system for realizing the proceeding method. The cookie information sharing method and system of this application are able to reduce occupancy of system resources by user's information records, and also to realize sharing of the user's information records.