The four foods in this combination are warm. If eaten frequently, they are prone to excessive internal heat, high blood pressure, red face and sweating, rapid heartbeat and bleeding and swelling of gums, but they are helpful for deficiency of both qi and blood (such as postpartum), pale face and poor spirit.

Jujube, also known as jujube, is characterized by its high vitamin content and the reputation of "natural vitamin pill", which has the effects of nourishing yin, strengthening yang and enriching blood.

Longan, also known as longan, nourishes the heart and spleen, qi and blood, spleen and stomach and muscles. Think about hypoxemia caused by spleen injury, dizziness, insomnia, palpitation, asthenia, physical weakness after illness or postpartum, and spleen deficiency.

Litchi is sweet, sour and warm, and enters the heart, spleen and liver meridians; It can stop hiccups and diarrhea, and is a good diet therapy for patients with intractable hiccups and diarrhea. At the same time, it has the effects of strengthening the brain, strengthening the body, stimulating appetite and strengthening the spleen. Litchi is hot, and it is easy to get angry if you eat too much, which will cause "litchi disease".

Lycium barbarum is rich in carotene, vitamins, calcium, iron and other nutrients necessary for healthy eyes, so it has the function of improving eyesight, commonly known as "improving eyesight". Physicians of past dynasties treated liver blood deficiency and night blindness caused by yin deficiency of liver and kidney.