益智(Alpinia oxyphylla Miq.)在我国历代文献中所指的植物不止一种,其中包括龙眼和姜科的益智。本文讨论的是中国药典收载的姜科益智。益智仁(益智子)在我国很早就作为药用,《本草拾遗》、《唐本草》、《重修政和经史证类备用本草》、《本草钢目》等都有收载。主要用以“温脾、暖肾、固气、涩精,治冷气腹痛、中寒吐泻、多唾、遗精、小便余沥和夜多小便”等。民间应用很 Alpinia oxyphylla Miq. refers to more than one kind of plants in ancient Chinese literature, including the longan and ginger. This article discusses the ginger puzzle of the Chinese Pharmacopoeia. Zhiyiren (Zizhizi) has long been used as a medicinal herb in China. Herbal Supplements, Tang Bencao, “Reconstructing the Government, and Historical Restoration of Herbal Medicine,” and “Ben Cao Gangmu” have been included. Mainly used to “warm the spleen, warm kidney, solid gas, astringent fine, cure air-conditioning abdominal pain, cold vomiting and diarrhea, many saliva, nocturnal emission, urine more Lek and night urine” and so on. Folk application is very