Abstract: Based on the different characteristics of vertical screw discharge and horizontal centrifuges vibration discharge centrifuges,and the application situation of the two centrifuges in Xinzheng clean coal company coal preparation coal plant,conducted the comparison and analysis from aspects of structure,parameters,working principle,application result,technical conditions,and summed up the advantages and disadvantages of the two centrifuges,and make some suggestions to the domestic development direction of clean coal dewatering equipment.