The invention discloses a coagulating and stirring mechanism for high-purity polymeric aluminum. The coagulating and stirring mechanism comprises a stirring bucket, a top cover, a top plate, a drivingmotor, a lifting platform and a stirring tank, wherein the top cover is hinged at the top of the stirring bucket, an electric push rod is embedded in the top of the stirring bucket, the output end ofthe electric push rod is fixed at the bottom of the top plate, a movable plate is arranged at the top of the top plate, a first rotary rod is fixed at the bottom of the movable plate, the top of thetop cover is rotatably connected with a rotary table, a first stirring rod is fixed at the bottom of the rotary table, a groove is formed in the top of the rotary table, the bottom of the first rotaryrod is inserted and connected into the groove, a first gear is fixed on the outer wall of the first rotary rod, the driving motor is fixed at the top of the stirring bucket, a second gear meshed withthe first gear is fixed at the output terminal of the driving motor, and a horizontally arranged first conical gear is fixed at the bottom of the second gear. The coagulating and stirring mechanism disclosed by the invention has the advantages that device configuration is optimized, manufacturing cost is reduced, resources are saved, and usage requirements of people are met.