Abstract: Liangbei coal preparation plant achieved great success in energy saving and consumption reducing,based on a review of the production practice and technical transformation,summarized the successful experience on aspect of energy-saving.Rationally determine the raw coal feeding quantity,scientificly selection of low energy consumption equipment and energy-saving technology,comprehensive consideration of the transformation process and equipment is the effective way to reduce power consumption,which has important significance to energy saving and emission reduction in coal preparation plant.