The key of processing for low heat rate burning high strength cement clinker is that the crude stuff of hgih lime saturation ratio is used and cooporation together with fuel coal to powdered grinding into fuel black crude stuff and the stuff balls of 3-8 m/m grain diameter are prefabricated through calcining at 1300 deg.C +_50deg.C. The crude stuff is added more than 20-35% as compareed with original design. The gypsum and fluospar are used as compound mineralized agent, or the nonferrous metallic tailings are used instead of mineralized agent.