Installation structure of controller for electric vehicle

The invention discloses an installation structure of a controller for an electric vehicle, which comprises an electric motor and an electric motor controller, wherein the electric motor controller is packaged in a disc-shaped structure; the end face of the disc-shaped structure is matched with a rear end cover of the electric motor in shape and is connected with the electric motor in a jointing manner. The electric vehicle provided by the invention adopts an integrated electric motor controller with a simple internal structure, thereby greatly simplifying the external electrical connection of an electric motor system and circuits, and also omitting a water cooling pipeline connected between the electric motor and the controller, besides, the installation and the maintenance are convenient, and both the reliability and the efficiency are high.