1, bringing your own lunch can save time waiting for catering service in the high-speed rail car. Due to the large number of passengers, the catering service in the high-speed rail car needs to wait in line, which consumes the travel time. Bringing your own lunch can avoid this problem and arrange your time better.

2. Bring your own lunch to better control the quality and taste of food. The dining options on the high-speed rail are limited, and it is difficult to guarantee everyone's taste preference.