First, you can download the 12316 software or search for the "high-speed rail ordering" applet on Alipay and WeChat, and then you can order the US group to take delivery on the high-speed rail, and this high-speed rail ordering can also be sent to the high-speed rail car seat. The steps are as follows (official software of 12316): 1. Log in to the official software account of 12316, find the "travel service" after entering the home page, and click to find the "catering specialty" option. Then there will be "dining in the car" and "taking it from the store", and choose "dining in the car". 2. Enter the train number and departure time, search for the take-away shops you can buy along the way, choose the take-away shops according to your own needs, delivery time and site, confirm all the information on the payment page, wait for arrival at the site after payment, and deliver the take-away food.

wechat, AliPay applet high-speed rail ordering steps: search the software for the high-speed rail ordering applet, enter the applet, enter the train number and departure date, click "Go to order", click "Take-out on the train" and select the merchants you like or meet the demand, select the meals and jump to the settlement payment page, enter the information such as name, mobile phone number and carriage seat, and then submit the order for settlement-after the payment is successful, the meals will be delivered directly to the seats when you take the high-speed rail.