Fruit. Vitamins are essential elements that the human body cannot produce, and it is also necessary to supplement vitamins appropriately. Apples symbolizing peace, crisp and sweet pears, sweet and sour oranges and oranges, grapefruit and durian with special taste, strawberries with good taste (special season), bananas suitable for all ages (it is best to eat them as soon as possible, which is easy to deteriorate), mangosteen pomegranate grapes, peaches, cherries and mangoes are all good choices. You can wash the fruit at home and eat it directly on the train.
Protein. If you don't exercise much on the train, you can eat some meat to supplement protein. Before leaving, you can buy some halogen products (chicken wings, chicken tips, chicken feet and chicken legs), or you can buy some packaged beef jerky, canned fish and lunch meat. Those who love eggs can buy some tea eggs, braised eggs and the like. You can also buy some spicy dried bean curd, duck neck and the like, if you think it tastes light on the train.
Food to pass the time. If you are bored on the train, you can buy some melon seeds, peanuts, cashews, pine nuts, chestnuts, pistachios, hazelnuts, walnuts, almonds and raisins. To pass the time or share it with friends around you.
Snacks. You can go to the snack area of the supermarket before you leave. There are many kinds of sweets, such as chocolate, preserved fruit, candied fruit, potato chips, shrimp strips, jelly, shredded squid and vegetable rings. You can choose to buy according to your own taste. You can also buy some chewing gum, xylitol, mints and so on.
Staple food. If you have snacks, you can bring less staple food. Those who like instant noodles (rice) can buy some. There are also many kinds of eight-treasure porridge and black rice porridge. In addition, you can buy some bread and biscuits. If you don't like sweets, you can bring some chopped green onion cakes, pot stickers, sesame cakes and other staple foods.