Abstract: This application discloses a barrier-free auxiliary riding device including a supporting frame rod disposed in a vacant area, a backrest assembly and a handrail assembly. The supporting frame rod is fixedly disposed in a carriage located on one side of the vacant area, the backrest assembly is disposed on the supporting frame rod, the handrail assembly includes a mounting base and a guard bar. According to this application, the position, directly facing the passenger get-off door, of the carriage is set as the vacant area to facilitate the riding of disabled passengers, meanwhile, the handrail assembly is disposed in the vacant area to protect the disabled passengers, and the backrest assembly is disposed for the disabled passengers to lean against, so that the riding safety of the disabled passengers is guaranteed.