1. Guava is rich in nutrition, which can stimulate appetite and promote children's growth and development. It contains protein, fat, sugar, vitamin A, vitamin B, vitamin C, calcium, phosphorus and iron.

2. In terms of vitamin C, it is higher than oranges, bananas, papaya, tomatoes, watermelons and pineapples, and it is also rich in iron, calcium and phosphorus. The iron content in seeds is better than other fruits, so it is best to eat them together. Eating more can prevent aging and eliminate toxins in the body. Besides fresh food, it can also be processed into fruit juice, concentrated fruit juice, fruit powder, jam, concentrated pulp, jelly and so on.

3, taboo people: Guava astringent taste contains tannic constipation, should be carefully eaten. People with poor gastrointestinal function and internal heat should not eat more.