Foot tub with adjustable opening specification

The foot tub comprises a main body, a top plate, a cover plate and a drainage pipe, the top plate is arranged at the top of the main body, the cover plate is arranged on one side of the top plate, the drainage pipe is arranged on one side of the main body, and the bottom of the cover plate is rotationally connected with two supporting blocks through a rotating shaft; the bottom end of the supporting block is fixedly connected with the top of the main body, a plurality of first plastic blocks are fixed to the top of the cover plate at equal intervals, and a fixing groove is fixed to one side of each first plastic block; by designing a rubber corrugated sheet, a first plastic block, a second plastic block, an elastic rope, a supporting block, a third plastic block and a fixing groove, the opening and closing angle of the cover plate can be adjusted, a user with thick legs can put feet into the cover plate conveniently, meanwhile, heat can be prevented from being dissipated from the side face, the flexibility of