Garbage bag opening clamping device and garbage can thereof

The utility model provides a garbage bag opening clamping device and a garbage can thereof, and relates to the technical field of storage, accommodation and sealing, the garbage bag opening clamping device comprises a strip-shaped clamping piece used for clamping the edge of a garbage bag, and the strip-shaped clamping piece comprises a first clamping surface and a second clamping surface which can be unfolded and folded; the first clamping face and the second clamping face are integrally formed, anti-skid layers are arranged on the surfaces of the first clamping face and the second clamping face, and the first clamping face and the second clamping face are folded by means of magnetic attraction. Due to the fact that the clamping piece is of the strip-shaped structure, the contact area of the clamping piece and the edge of the opening end of the garbage bag can be increased, the defect that the opening portion of the garbage bag is prone to slipping off due to the fact that the garbage bag is folded and sleev