Public garbage can with dry-wet separation function

The utility model belongs to the technical field of garbage cans, and particularly relates to a public garbage can with a dry-wet separation function, which comprises a garbage can, a dry garbage collecting barrel is assembled on the inner side of the garbage can, a diversion trench is arranged at the bottom of the dry garbage collecting barrel, and a fixing ring is fixed on the inner side of the garbage can and located on the lower portion of the dry garbage collecting barrel. An inner ring is arranged on the inner side of the fixing ring, an uneven limiting guide annular groove is formed in the top of the inner ring, a plurality of protruding blocks corresponding to the limiting guide annular groove are fixed to the bottom of the dry garbage collecting barrel, and an erecting twisting assembly is further arranged between the garbage can and the dry garbage collecting barrel. The erecting twisting assembly is used for twisting the dry garbage collecting barrel and comprises at least one erecting piece arrang