Gear shifting mechanism and vehicle

The utility model discloses a gear shifting mechanism and a vehicle. The gear shifting mechanism comprises a base, a sliding plate, a ball assembly and a gear shifting assembly. The base is provided with a gear piece and two sliding rails, the gear piece is located between the two sliding rails, the gear piece is provided with a plurality of gear faces connected in sequence, and the two sliding rails are each provided with a sliding groove. Ball assemblies are arranged on the two opposite sides of the sliding plate, each ball assembly comprises a plurality of first balls and a plurality of second balls, and the first balls and the second balls are arranged in the thickness direction of the sliding plate. The sliding plate is arranged between the two sliding rails, and the two ball assemblies are located in the two sliding grooves correspondingly. The gear shifting assembly is arranged on the side, facing the base, of the sliding plate and abuts against the gear face. The sliding plate slides, and the first ball and the second ball roll along the groove wall face of the sliding groove so that the gear shifting assembly can move to abut against the other gear face. The shaking amount of the gear shifting mechanism is smaller, gear shifting is smoother, the hand feeling of gear shifting is better, and the experience feeling of a user is improved.