Electric wheel chair

The utility model provides an electric wheel chair, which comprises a seat, a backrest, armrests and a pedal and also comprises a bed pan device, wherein the bed pan device is located below the seat and comprises a bed pan and a first driving device; the bed pan is located at the position being aligned with the buttocks of a human body; the bed pan is provided with a bed pan cavity, a bed pan door being capable of sealing the bed pan cavity, a steel wire rope and a tension spring; the bottom of the bed pan cavity is detachably connected with the seat; the top of the bed pan cavity is in pin joint with the bed pan door; one side of the bed pan door is connected with one end of the steel wire rope, and the other side of the bed pan door is connected with the tension spring; the other end of the steel wire rope is fixedly connected with the seat; the first driving device comprises a motor, a compression bar and a warp which corresponds to the position of the compression bar and is located on the bottom of the be