Abstract: From Hubei province the main phosphorus resource of middle-low grade phosphate rock samples to choose four representative samples for analysis,their chemical composition,main component occurrence characteristics,embedding relationship characteristics and flotation process was studied.The results show that middle-low grade phosphate rock in Hubei province can be divided into four industrial type,respectively is siliceous phosphate rock,magnesium phosphate rock,siliceous(mg) phosphate rock and magnesium (silicon) phosphate rock,and put forward Hubei province middle-low grade phosphate rock classification based on industrial type.