With the consolidation and development of the people's commune in our country,the agricultural production is more and more increasing on a large scale. For the further development of agriculture, there is a great need of detailed soil maps with which the commune members can know the soil conditions of their commune more clearly and make the farm plan more perfectly. In the present paper, based on 10 soil mapping points represented different soil conditions of the communes in various parts of this country, an attempt is made to deal with the following problems.