In order to realize rich communication, It is important that a system can be used in the everyday life as well as providing realistic sensations.We are working to realize the communication system that allows remote users to feel as though they are in the same place. In this paper, we discuss avatar control methods required for real world oriented cyber communication system. We propose two algorithms to share position information between users who are in the spaces that have different structure. In addition, we describe a system to verify avatar control method.