Abstract: The paper introduces the present situation of the coal cleaning and the product structure at Jincheng area, based on the study of the coal washablity characteristics and its regularity, notes the limitation of using HMV+HMC method to wash local coal and point out a broadly taking narrow idea that coarse coal and fine coal should be cleaned separately locally, suggests the feasibility of use pressureless three product cyclone to wash Jincheng kilkenny coal, and gives an engineering example.