1, food. You can choose rice, flour, noodles, instant noodles and so on. These foods are easy to store and can provide energy.

2. Meat and seafood. You can choose beef, chicken and fish, which are rich in protein and other nutrients.

3. Vegetables and fruits. You can choose apples, oranges, carrots, Chinese cabbage and so on. These foods are rich in vitamins and cellulose and are good for health.