The invention discloses a dynamic sorting device and a control method, and belongs to a tipping device in the application field of civil aviation logistics. The tipping device and the control method are stable. According to the technical scheme, the tipping device comprises an upper-layer tipping mechanism and a tipping supporting base hinged to the bottom of the tipping mechanism; the upper-layertipping mechanism comprises a conveying plate and a belt wheel assembly arranged under the conveying plate, a guiding groove is formed in the conveying plate in the width direction, and a belt in thebelt wheel assembly is arranged in the guiding groove; and a tipping driving connecting rod is hinged to one end of the conveying plate, a tipping driving electric cylinder is arranged under the tipping driving connecting rod and fixedly connected with the tipping supporting base, and the other end of the tipping driving connecting rod is hinged to a driving sliding block in the tipping driving electric cylinder. According to the dynamic sorting device and the control method, the stability of the whole driving action is improved, and then the conveying plate containing luggage is stable and reliable in the tipping process.