Introduces the consequence of coal traditional use way , position of clean coal technology in national economy and importance and necessity of developing clean coal technology in our life; The article also systematic introduction of the clean coal exploitation technology and some clean utilization technology, such as: wash and selected coal particle technology before burning, coal briquette processing and water coal slurry technology, get rid of the sculpture , getting rid of nitrogen technology while burning; Technology of clean up dust after burning and coal transformation technology .The article have puts forward the solution to the low combustion efficiency and seriously polluted problem of the coal in our country.