The invention discloses a robot wheelchair vehicle, and relates to a wheelchair vehicle. At present, most wheelchairs, which are designed to assist physically disabled patients and people difficult to move in riding instead of walk, are single in function and poor in emergency effect. According to the wheelchair vehicle, a leg moving system is arranged on the lower end face of a seat plate in power; the leg moving system comprises a front leg connecting, a rear leg connecting shaft and two groups of herringbone regulating brackets; a walking wheel assembly is arranged on each front leg rod and a walking wheel assembly is arranged on each rear leg rod; the two walking wheel assemblies on the two front leg rods are connected by virtue of the front leg connecting shaft; the two walking wheel assemblies on the two rear leg rods are connected by virtue of the rear leg connecting shaft; the front leg connecting shaft and the rear leg connecting shaft are rotated by virtue of a power supply; and each pawl can make an action of extending out of a corresponding hub or shrinking into the hub. The robot wheelchair vehicle disclosed by the invention is applicable to medicine and daily lives; in addition, the robot wheelchair vehicle is also provided with image pickup and sensor devices; and the wheelchair, when transformed into a stretcher vehicle, can serve as a rescuing device, a detection vehicle and a scout vehicle; therefore, the wheelchair vehicle achieves multiple purposes.