Abstract: At present, there had been no application case of automatic hoisting trashrack used in stations at which water head is high and water level changes in wide range. Some special structures have been used in trashrack design in Hunanzhen Reservoir such as wire cable slip ring, straight track in equidistance dip and stiff pins connection interval,which make it come true to lift automatically as water level goes up and down at normal level of 205-229m and have got good effect.?