Immature tomatoes turn red after being picked at home and are generally edible. During the placement process, the tomatoes gradually mature. The red tomatoes are not toxic and can be eaten by patients with confidence. Tomatoes have the effect of producing body fluids and quenching thirst. For patients with fever, thirst, and reduced body fluids, proper consumption of tomatoes has a good effect of producing body fluids and quenching thirst. Tomatoes also have the effects of strengthening the stomach, promoting digestion, and stimulating appetite. Patients with food accumulation and decreased digestive function can eat tomatoes appropriately. Tomatoes also have certain antioxidant and anti-aging nutritional values.