the high-speed rail waiter announced the stop. According to the relevant public information, it is not their duty for high-speed rail bar staff. Station reporting on the high-speed train is the responsibility of the conductor, who will report the station to the passengers through the public address system when they arrive at each station. High-speed rail bar staff are service personnel on high-speed rail trains, who are mainly responsible for providing catering services for passengers. The main job is to provide catering services for passengers, including ordering, delivering meals, checking out, etc., and at the same time, it is necessary to keep the environment in the carriage clean and hygienic.