Passengers who take the train should eat more alkaline foods, such as kelp, seaweed, bean products, milk and so on. They should also eat more fresh apples, bananas, pears and grapefruit, and animal livers rich in protein and vitamins. These foods can quickly eliminate fatigue after being digested and absorbed by the human body. Vitamin B and vitamin C help to excrete metabolites accumulated in human body as soon as possible, so eating foods rich in these two vitamins, such as coarse grains, Rosa roxburghii, kiwi fruit, etc., can also eliminate fatigue. Special recommendation: how to take medicine for a cold during the trip? Twelve taboos for drinking water, boiled water is the most ideal drink, followed by tea drinks, and juice drinks with high sugar content are best not to drink. You can also choose mineral water, which contains a lot of oxygen and trace elements, which can quickly relieve human fatigue. Drinking hot tea can also relieve fatigue, so can eating some chocolate and drinking some coffee. If necessary, melons and fruits can be used instead of water. You can take some mineral water, yogurt, apples, bananas, pears and grapefruit, as well as coarse-grain pasta that is not too sweet, such as corn and black rice cakes, for a short trip (within 12 hours). For long-distance travel (longer than 12 hours), in addition to the above food, you should also bring some kelp, packaged vegetable salad, kiwi fruit, bean products, whole wheat bread, tea and so on. Eat on the train, don't overeat. Taste light, eat less cold and greasy food, and don't drink or drink less when eating. And melons and fruits must be washed or peeled before they can be eaten.