The scientific name of guava is guava, which is a fruit that is rich in nutrients and can be consumed in moderation to replenish carbohydrates and other nutrients, which are good for human health. Guava’s origin is South America, in China’s South China are cultivated, the fruit can be eaten. 83.9% of guava is water, and carbohydrates are the main nutrient, accounting for 14.2%. Vitamin C is the most abundant vitamin in guava, with a specific value of 68mg/100g, which ranks high among similar foods. The most abundant mineral in guava is potassium, with a specific value of 235mg/100g. Moderate consumption of guava can replenish some of the nutrients needed by the body, but the nutrients needed to maintain daily activities are so numerous that they cannot be met by consumption of guava alone, and it is recommended to eat a balanced diet in general.