You can use 12306APP to order food on the high-speed rail. The operation steps are as follows:

Operating environment: iPhone 12, ios 15.4, 12306APP5.6.3.2.

1, open the page of 12306 first.

2. Find the catering major option in the page, and then click Enter.

3. Enter the number of trains you take in the page. Take D2205 as an example, and click Start to order.

4. In the pop-up page, select the starting point and ending point of ordering food.

6. Click on the bottom of the page to start ordering.

7. After entering the ordering page, you can choose to eat in the car or pick it up at the store. Here we choose to eat in the car, click on the shop below.

8. After entering the store, choose the food provided.

9. Finally, click Settlement to complete the settlement with WeChat and Alipay.