The utility model discloses an improved generation side power jigging machine, which comprises a housin, the mounting groove has been seted up respectively to the both sides wall of casing, and the mounting groove that is located both sides is provided with the inclined screen net, the beneficial effects of the utility model are that: effect through a coil spring and the 2nd coil spring, make the inclined screen net carry out regular upper and lower vibration, the compound membrane of rubber that is located both sides carries out the reciprocal vibratory action of the synchronous left and right sides, adopt the design of the compound membrane of rubber of two sides, the vibratory action of aqueous medium has been strengthened, such compound movement, the particulate matter that selects is in the buoyancy of aqueous medium in messenger's aqueous medium in prorsad motion, under the thrust, because the weight proportion of mineral aggregate is different, just, obvious layering effect has been produced, with the big inside that falls into the casing of gravity, finally the material through releasing the light is along with the aqueous medium end of mining area that flows, the utility model discloses great efficiency and the quality that has improved the ore dressing.