The invention relates to hydraulic beneficiation equipment, in particular to an adjustable hydraulic beneficiation device. The invention provides the adjustable hydraulic beneficiation device. The adjustable hydraulic beneficiation device comprises a processing tank, first springs, second springs, a beneficiation tank, a lifting device, a moving plate, a first motor, a second bearing base, a first rotating shaft, a first rotating blade and the like; the first springs are connected to the bottom inside the processing tank; the beneficiation tank is arranged on the first springs; the second springs are connected between the left wall and the right wall of the outer side of the beneficiation tank and the inner wall of the processing tank; the lifting device is connected to the top of the left wall of the processing tank; the moving plate is connected to the right side of the lifting device; and the first motor and the second bearing base are connected to the left side and the right side of the bottom of the moving plate respectively. The adjustable hydraulic beneficiation device has the advantages that the hydraulic power strength can be adjusted and controlled, and ore with multiple weights can be easily selected.