The power station consists of a composite geomembrane face rockfill dam, a spillway, a spillway, a diversion tunnel and a water diversion and power generation system. Composite geomembrane rockfill dam crest elevation is 15 meters, dam height is 85 meters, dam crest length is 362 meters, dam crest width is 8 meters, upstream dam slope 1:1.6, middle and downstream dam slope 1:1. 8.l-shaped drainage pipe The body is composed of dam cushion material, transition material and bottom drainage pipe area to ensure that the soft rock fill area can maintain the 430m elevation of the river plinth, which is relatively dry in operation.