Soil material composition is controlled by rock types of soil-forming rock and mineral composition. The plain terrain in Pinggu possesses the climate and soil condition which is good for growing peaches. This is mainly related to the special geological background in Pinggu District. Many beneficial elements content is more than the other areas in Beijing. The mineral elements content of peaches has diversity in Pinggu’s different aeries. And the mineral elements content in eastern plain Region is the most abundant.