As interpersonal communication becomes more and more extensive, the various information of friends through the traditional way such as business card folder or record book is not only troublesome, laborious, but also easy to lose, in this background of extensive friendships, the traditional way of managing friends' information is no longer applicable, for this reason the design of modern friends' information management system is particularly important. In order to meet the better management of friends information, the author based on the problem of friends information management, based on the analysis of functional requirements for the design and development of the friends information management system, using Java language and MySQL database for the design of the friends information management system, for more people to use this system as a reference.