Square stool with turnover chair bucket

The utility model provides a square stool with a turnover chair bucket. The square stool with the turnover chair bucket comprises a square stool face plate, a square stool rack, and the turnover chair bucket. The turnover chair bucket is mounted between a left upright post and a right upright post on two sides of the square stool rack, the two sides of the turnover chair bucket are hinged to the left upright post and the right upright post through connecting shafts, eccentric lock plates are hinged to the side wall of the left upright post and the side wall of the right upright post, and after the turnover chair bucket is erected, bending pieces in corresponding positions are locked together with the eccentric lock plates in a matched manner. Each eccentric lock plate comprises a rotating disk, a lock plate perpendicular to the rotating disk is arranged on one side of the rotating disk, and an eccentric screw column perpendicular to the rotating disk is arranged on the other side of the rotating disk; the ecc