The utility model discloses a compression device for a beverage can. According to the technical scheme, the compression device for the beverage can is characterized by mainly comprising a compression mechanism, a compression tube and a base, wherein the compression tube is of a hollow tubular structure, a bayonet which can be used for filling the beverage can is formed in the tube wall on the lower portion of the compression tube, a guide hole is formed in the top of the compression tube, the compression mechanism is composed of a pressing rod, a connecting rod, a support, a sliding block, a sliding block connecting rod and a spring, one end of the pressing rod is hinged to one end of the connecting rod, the other end of the connecting rod is hinged to the support which is fixed on the tube wall of the compression tube, one end of the sliding block connecting rod is hinged to the middle of the pressing rod, the other end of the sliding block connecting rod extends to the interior of the compression tube through the guide hole, the sliding block is fixed at the tail end of the other end of the sliding block connecting rod, the spring is arranged between the sliding block and the guide hole, and is arranged on the sliding block connecting rod in a sleeved mode, and the compression tube is fixed on the base. The compression device for the beverage can is small in size, simple in structure, convenient to use and applicable to an individual rag-and-bone man.