The invention discloses an anti-turnover device for a balance scooter. The anti-turnover device comprises landing gears, swing parts, reset parts and a rotating shaft locking mechanism, wherein the landing gears are arranged before and behind the balance scooter, the swing parts are fixed to a rotating shaft of the rotating shaft locking mechanism and connected with the landing gears, and the reset parts are arranged between the swing parts and the balance scooter. When the balance scooter encounters emergency circumstances, the rotating shaft is unlocked by the rotating shaft locking mechanism, so that the elastic force of the reset parts drive the swing parts, and then the landing gears land fast. The anti-turnover device for the balance scooter is capable of preventing the balance scooter from turning over, and safe and convenient to use.