The invention discloses a social messaging interactive mode based on videos and a technology realization approach. By adopting a video dynamic tracking technology, an image recognition technology, a location technology and a cloud matching technology, functions of finding friends and establishing sessions and the like based on geographic positions, image analysis and touch screen click are achieved in an identical instant messaging system. The novel instant messaging system based on the positions can be established independently through an instant messaging application method, and the instant messaging application method can also adapt to third party instant messaging tools with open interfaces, such as WeChat. By simplifying social means based on sensors, a strange social range of an existing smart mobile terminal can be expanded; due to the fact that the instant messaging application method is based on video and geographic attributes, the method can be matched with augmented reality (AR) application, an advertisement marketing space is created, and accordingly video appreciation profit services are created.