The invention discloses a bearing device for outdoor storage of domestic garbage. The bearing device comprises a rectangular base. A rectangular box is fixed to the upper wall face of the rectangularbase. A cavity mechanism is arranged in the rectangular box. A partition plate is welded to the inner side wall face of the rectangular box. A first rectangular through hole is formed in the upper wall face of the rectangular box. First grooves with positions corresponding to each other are formed in the two side wall faces in the rectangular box. An annular groove is formed in the inner side wallface of each first groove. A transverse rod is assembled in the pair of first grooves. Supporting rods in lap joint with the annular grooves are welded to the two side wall faces of the transverse rod. The transverse rod is sleeved with a cylinder. Multiple strip-shaped plates located on the two sides of the partition plate are welded to the side wall face of the cylinder. A pair of strip-shapedgap grooves located on the two sides of the rectangular through hole is formed in the upper wall face in the rectangular box. According to the bearing device, garbage in people life is helped to be reasonably collected and stored, garbage pollution is reduced, people can conveniently clear away garbage in a unified manner, and overflowing generated after garbage is put is effectively reduced.