Folding medical patient conveying chair

The utility model discloses a folding type medical patient conveying chair which comprises a chair seat plate, a chair back plate and a lower side plate, the chair seat plate is hinged to the chair back plate in a swinging mode, the chair seat plate is hinged to the lower side plate in a swinging mode, a chair frame is supported below the chair seat plate, the chair frame extends backwards to form a rear supporting part, a locking groove for a first U-shaped frame to be clamped in is formed in the rear supporting part, and a second U-shaped frame is arranged in the locking groove. A lock catch is arranged at the position of the locking groove, four pulleys are arranged at the bottom of the chair frame, a first U-shaped frame and a second U-shaped frame are hinged to the upper end of the chair back plate and the lower end of the lower side plate respectively, and in the state of serving as the conveying chair, the chair back plate and the chair seat plate form an included angle suitable for a backrest, and the