Seat restraint protection system for psychiatric patient, seat and vest

The utility model provides a psychiatric patient seat restraint protection system, a seat and a vest, two waist bandages are arranged on a backrest of the seat, and a vest body of the restraint protection vest comprises a vest front piece and a vest rear piece; the memory foam back cushion is arranged on the waist and back portion of the vest rear piece, so that powerful support can be provided for the waist and back portion of the patient, comfort is achieved, and skin is not prone to being injured. A first part of a first connecting mechanism on the waist bandage is matched and connected with a third part on the same side of the vest front piece, and a second part of a second connecting mechanism on the waist bandage is matched and connected with a fourth part on the same side of the vest front piece, so that a patient wearing the vest body is restrained on the seat. The mode is simple to operate, and the two different connecting mechanisms can provide an additional fixing effect, so that the constraining f