Determination of soil quality is an important issue to compare the system of soil management opinions. It also is one of indications on the diversity of microorganism populations and microorganism characteristics. It can determine changes of soil quality when determining changes physical and chemical parameters of soil. There are many species of microorganisms with different functions. Their classifications are usually followed a certain rule, depended nutrients, water, air, pH, depth, cultivated method, terrain, floristic composition and topography. Soil microorganisms are important components of soil ecosystems. It is not only an important link in food - net, also participates in decomposition of organic compounds and humus in the carbon and nitrogen cycles in nature.