Hovenia genus, Rhamnaceae, deciduous shrub or tree; leaves alternate, long-stalked, bisexual flowers, cymes; sepals, petals and stamens each 5; ovary superior, fruit globose, It is as big as a bean, has 3 seeds, and has a leathery outer fruit. Distributed from the Himalayas to Japan, native to southwest to eastern China, with 3 species and 2 varieties in China. Among them, the inflorescence stems of Hovenia dulcis are fleshy when they bear fruit, and the seeds are used as medicine. They have the effect of relieving hangovers. The material is hard and used for utensils. 1. The edible fruits have thick axes and are rich in sugar. They can be eaten raw, made into wine, and boiled into sugar. They are commonly used among the people to make "Jujube wine", which can cure rheumatism. The plump inflorescence axis of Hovenia trifoliata is rich in sugar and can be eaten raw, made into wine, vinegar and sugar boiled. 2. Medicinal seeds are cooling diuretics, which can detoxify alcohol and are suitable for treating fever, thirst, drunkenness, polydipsia, vomiting, and fever. [4]? Medicinal Hovenia truncatula is derived from the mature seeds of Hovenia vesifolia, Hovenia vesifolia and Hovenia truncatula. There are also useful fruits with inflorescence rachis. Pharmacological effects: The fruit has a significant diuretic effect on rabbits without any side effects. Hovenia dulcis is sweet in taste, neutral in nature, returns to the heart, spleen, and lung meridian, has the functions of detoxifying alcohol, quenching thirst and relieving irritability, stopping vomiting, and facilitating defecation. Indications: drunkenness, polydipsia, vomiting, and difficulty in defecation. Oral administration: decoction, dosage 6-15g; or drink with wine. It is contraindicated for people with deficiency of spleen and stomach.

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