What driver's license do you need to drive a bus?

Driving a bus requires an A3 driver's license.

Drivers with A3 driver's license can not only drive buses, but also drive quasi-driving models with C 1, C2, C3 and C4 driver's licenses. Driving a bus to drive a motor vehicle shall obtain a motor vehicle driver's license according to law and drive on the road in accordance with traffic laws and regulations.

Article 9 of the Regulations on the Application and Use of Motor Vehicle Driving License stipulates that motor vehicle drivers are allowed to drive in the following order: large buses, tractors, city buses, medium buses, large trucks, small cars, small automatic cars, low-speed trucks, three-wheeled cars, small automatic buses for the disabled, ordinary three-wheeled motorcycles, ordinary two-wheeled motorcycles, mopeds, wheeled bicycles, trolleybuses and trams.