A folding drive mechanism of a folding scooter is provided between a front frame (110) and a rear frame (120) of the folding scooter, and the front frame (110) and the rear frame (120) are pivoted. The folding drive mechanism (130) comprises a drive rod (1) and a pull rod (2), wherein the drive rod (1) is pivoted on the rear frame (120) via a middle shaft (120a), one end of the pull rod (2) is pivoted on the front frame (110), the other end of the pull rod (2) is connected to the drive rod (1) to drive the drive rod (1), enabling the drive rod (1) to swing to drive the pull rod (2) so that the front frame (110) is driven to rotate and fold relative to the rear frame (120). The folding scooter is fast to fold, and convenient.