Bus drivers, commonly known as bus drivers, have qualified driver's license and operation qualification certificate and are engaged in bus driving. Bus drivers belong to the bus company's line brigade. The bus captain is the captain of the line fleet appointed by the bus company, who is engaged in the management of the line fleet, responsible for the personnel management and safety management of the fleet, fully grasping and timely understanding the working status of the vehicles and personnel of the team, and is the direct superior leader of the bus driver.