the middle position is around the 8th to 1th. The dining car on the train is generally located in the middle of the train, usually a separate carriage. Dining car provides all kinds of food and drink services for passengers, and it is one of the important service facilities on the train, about 8 to 1. The dining car of high-speed rail is different. The dining car with eight carriages in a single row is generally set in the fifth section. For the high-speed rail with two cars reconnected, there are 16 cars, and the dining car is generally set in the No.5 and No.13 cars, while the high-speed rail with 16 cars grouped by a single driver is generally set in the No.9 car. The restaurant on the train is similar to a restaurant, which mainly provides catering services for long-distance passengers. The restaurant is only open during meal time, and will also provide services for passengers who buy station tickets after dinner, but there is an extra charge.