The invention discloses a walking-substituting device achieving an alarming function and used for the physically challenged and belongs to the technical field of intelligent tools for helping the physically challenged. The walking-substituting device comprises
wireless communication modules, an expanding socket, a
gyroscope, an acceleration sensor, a geomagnetic sensor, a controller, an
electricity storage device, a motor, a
solar power generation device, a positioning device, a
liquid crystal display device and an alarming device. The first
wireless communication module is arranged on an annular frame, the
gyroscope, the acceleration sensor, the geomagnetic sensor and the controller are arranged inside a right earmuff, wheels, a seat and a backrest are arranged on a base, the
electricity storage device and the motor are arranged inside the base, a cover top and the top end of the backrest are fixedly connected together, and the second
wireless communication module is arranged on the lower wall face of the cover top. A patient can control movement of the
wheelchair through operation of the head. The walking-substituting device is reasonable in design, simple in structure and suitable for being optimally designed as a
wheelchair device used for patients with the high
paraplegia.