The high efficient and low cost clean steel production platform is a key technology for steel industry, which basicly and largely affects on the efficiency, quality and cost of the steel production, and it will final determine the marketing competitiveness enhancing of steel companies.The clean steel platform is the integration of pretreatment technology of hot metal, BOF technology, secondary metallurgy technology and constant casting speed C.C technology, and optimizedsimplified process network technology and dynamicorderly operating material flow technology.It emphasized that at present, the high efficient and low cost clean steels platform should foucs on following aspects: thoroughly understand that coordinationsteady is the core of the clean steel production platform；high efficient and constant continuous casting speed C.C technology is the source for the clean steel production platform operating dynamically and orderly, and it also the key for highquality, engery saving and low cost.