A method, user equipment and system are provided. The method includes presenting, on a user equipment, a 3D application including a 3D community that includes an analog object and a virtual screen. Video content of another user equipment is obtained from a video source server, and presented on the virtual screen. Interaction information generated according to an interaction request from the another user equipment is received from a 3D application server, and an object corresponding to the interaction information is rendered in the 3D community according to the interaction information.