The utility model discloses a full -automatic shaking -sieving device, include base, lift post, one -way hinged -support, chassis, charging ladle, inlet pipe, a plurality of standard screen, a plurality of material collecting barrel, set up in the ejection of compact valve of charging ladle discharge gate department, the motor that is used for driving each standard screen vibrations, the 2nd control panel who is used for a control panel of control motor and is used for controlling ejection of compact valve, the base is fixed in on the chassis through lift post and one -way hinged -support on,each standard screen from last be fixed in the chassis in proper order under to on, charging ladle's discharge gate is connected with the entry of inlet pipe, the export of inlet pipe is located standard screen topmost directly over, a standard screen corresponds a material collecting barrel, the discharge gate of each standard screen side is linked together with the material collecting barrel whocorresponds, the device can accomplish the collection and the interpolation of gathering materials automatically.