Advances in the innovation about service pattern, and the rapidly growing number of mobile personal devices result in the fast growth of Mobile Social Network Service (MSNS). This paper just analyzes and compares the existing MSNS applications, and proposes the concept of MSNS. In this paper we also concentrate on the realization of the interaction method between the three-dimensional virtual world of the Internet and the human real world, and this service pattern is named as ldquoA-LBSrdquo. The implement of the system platform make users have a possibility to experience the similarly real life in the virtual world. Besides, the application of new technologies, such as Geographic Information System, is also one of the innovation points in the industry of MSNS. Finally, the initial stage of interaction platform has already been proposed and implemented.