The way to solve lunch on the high-speed train is as follows:

1. Buy catering service. The high-speed rail provides services for selling simple meals, snacks and other foods. Passengers can buy lunch boxes at the dining car service center. Lunch boxes are divided into different packages, with cheap and expensive ones to choose from.

2. Bring your own lunch. Passengers can prepare some portable foods in advance, such as bread, biscuits, fruits, nuts, preserved fruits, instant noodles, etc., in case of emergency.

3. Book high-speed rail catering. Some high-speed rail service providers offer the service of booking high-speed rail meals. Passengers can make reservations on the website or APP in advance, and the reserved meals will be delivered to the car before boarding.

4. Use the vending machine on the train. The high-speed rail is also equipped with vending machines, which can provide convenient and fast shopping services and sell all kinds of drinks, snacks, fruits and other foods.

5. scan the code to order food. There is a two-dimensional code on the armrest on the right side of each seat. Passengers can order food on their mobile phones by scanning this two-dimensional code, and the flight attendant will deliver the lunch box to the passengers' seats.