Abstract: The microorganism fertilizer that urges the crops to obtain the specific fertilizer effect by microorganism’s vital activity is one kind of the fertilizer production in the agricultural.The microorganism fertilizer may reduce the amount of the chemical fertilizer and raises the chemical fertilizer utilization.The use of microorganism fertilizer also may fully use the regeneration resources.According to different microorganism fertilizer function,action echanism,it’sspecific microorganism type,it divide different type,but the effect of the biological fertilizer mainly is related to the nutritive element source,the validity,the crops absorption nutrition,the moisture content and disease-resistant.Therefore,the use of the microorgabism fertilizer reasonably also needs to pay attention to its exploitation conditions and the item.