Guava belongs to a kind of fruit, does not belong to the category of medicine and food, and does not have the characteristics of warm and cold herbs, but it is rich in carbohydrates and other nutrients, moderate consumption for the body has nutritional value. The main nutrients in guava include carbohydrates, dietary fiber, carotenoids, lycopene and vitamin C. Each 100 grams of guava contains 68 calories, of which 14.32 grams of carbohydrates, 2.55 grams of protein, 0.95 grams of fat, vitamin C228.3 milligrams, 18 milligrams of calcium, 0.26 milligrams of iron. Daily consumption of guava in moderation is conducive to the maintenance of normal physiological functions of the body. However, because guava contains protein content is very low, so in the consumption of guava at the same time you can moderate consumption of some protein-rich foods such as soybeans, etc., is conducive to ensuring a comprehensive and balanced intake of nutrients. People who are allergic to guava should not eat guava.