Longzhaoguo is also known as Guazao, Zhaobi Pear, Jiejiu Fruit and Hovenia dulcis Thunb. Its seeds, leaves and skins can be used as medicine. Seeds can relieve hangover and relieve annoyance, and root bark has the effects of promoting blood circulation, dredging collaterals, relaxing muscles and tendons, removing toxic substances and resolving hard mass. Fruit is rich in active ingredients such as glucose and calcium malate, so it is better to eat it raw. It has the effects of moistening the five internal organs, quenching thirst and relieving annoyance, removing diaphragmatic heat and facilitating defecation, and is a good medicine for diabetic patients.