It is essential to research scientific foundations to define content systems of provincial soil level environmental map for controlling, exploiting, using and protecting the environment. In order to define content system of the map, the author have to research theoretic basics of cartography, soil, environment, researching territorial features, establishing map techniques. Besides that, data collection, sample analysis method, criteria choice which reflect soil environmental quality and the criteria synthesis method are also highly required. From the achieved results, the article conduct a design content system of the maps and choose methods which best reflect the content map.