An electric wheelchair is classified into the joystick type or scooter type in Japan. Especially, an electric wheelchair of the joystick type is one of the indispensable one for the movement of the person with severely physically disabilities. In this paper, the current state in Japan is described about the kind of a law, a standard, and a supply system and an electric wheelchair that is related to an electric wheelchair and markets. In this paper, the current status of the related law, supplier systems, the achievements of technical functions are described.