The present invention discloses a self-balancing scooter, including a scooter body. The scooter body includes: an upper shell, a middle shell, a lower shell, pedals and bottom plates. The upper shell includes a first upper shell and a second upper shell. The middle shell includes a first middle shell and a second middle shell. The lower shell includes a first lower shell and a second lower shell. The middle shell is located between the upper shell and the lower shell. Two bottom plates are disposed on bottoms of the first lower shell and the second lower shell respectively. The bottom plates are disposed correspondingly to fixing positions of the controller and the power supply. The bottom plates are configured to adapt to sizes of the controller and the power supply.