Litchi is a rare tropical fruit in southern China, which is rich in nutrition, including protein, fat, dietary fiber, carbohydrates, carotene, retinol, thiamine, riboflavin, nicotinic acid, vitamin C, potassium, magnesium, iron, manganese, zinc, copper, phosphorus, selenium and so on. Eating fresh litchi can quench thirst and stomach; Dried litchi soup or porridge has the effects of nourishing liver and kidney, strengthening spleen and stomach, benefiting qi and blood, and is a good tonic for patients with physical weakness, old age, anemia, palpitation and insomnia after illness. Litchi is rich in iron and vitamin C. Iron can increase the content of hemoglobin and make people rosy, while vitamin C can make the skin delicate and elastic.