Litchi (scientific name: Litchi chinensis Sonn.), native to southern China, is a subtropical fruit tree and an evergreen tree, with a height of about10m. The pericarp is scaly, bright red and purplish red. When the pulp is fresh, it is translucent and fat-like, delicious, but not resistant to storage. Litchi, together with bananas, pineapples and longan, is known as the "Four Great Fruits in South China". Litchi is famous for Yang Guifei's love of food, which made Du Mu write a famous sentence of "Riding a princess in the world of mortals and laughing, no one knows it is litchi". Litchi is hot, eating too much is easy to get angry, and it can cause "litchi disease". The wood is solid, dark reddish brown, elegant in texture and corrosion-resistant, and has always been a first-class famous material. Litchi is sweet, sour and warm, and enters the heart, spleen and liver meridians; It can stop hiccups and diarrhea, and it is a good food therapy for patients with intractable hiccups and diarrhea. At the same time, it has the effects of nourishing the brain, strengthening the body, stimulating appetite and benefiting the spleen. (Overview map reference: China Plant Image Library 1)