Abstract: The article in accordance the distribution characteristics of the soybean in the four Alliance municipal of inner mongolia divided into different planting area,and analied the feature of the main variety,in order to discuss the establish of the soybean breeding and direction in the four different areas in the eastern part of Inner Mongolia.Then establish the upgrading of soybean variety and promotef the soybean production,so that to make the better service for the development of soybean industries in Inner Mongolia.