Citrus aurantium is the fruit of the Rutaceae plant lime, also known as: wolfberry orange, barley orange, skin orange, smelly orange, fragrant orange, smelly orange. Those who use the nearly mature fruits of limes as medicine are called Citrus Aurantii, and those who use the naturally falling young fruits as medicine are called Citrus Aurantii.

The main components of lime citrus aurantium peel are volatile oil, flavonoids, synephrine, N-methyltyramine and other components, as well as multiple vitamins. The pulp contains organic acids such as citric acid. In recent years, components that increase blood pressure have also been isolated from Citrus aurantium and Citrus aurantium husk. It has an obvious excitatory effect on the uterus, can increase the contractility and tone of the uterus, can increase blood pressure, and can cause gastrointestinal motility contraction. Neat and powerful. Citrus aurantium is bitter, sour, and slightly cold in nature. It has the functions of spreading qi, digesting food, and resolving phlegm. It is used to treat food accumulation, phlegm stagnation, chest and abdominal distension, gastroptosis, prolapse, and uterine ptosis. Injections of Fructus Aurantii and Fructus Aurantii are commonly used to increase blood pressure and fight shock.

It is mainly produced in Jiangxi, Sichuan and Hunan. Depending on the place of origin, it is called Sichuan Citrus aurantium, Xiang Citrus aurantium, Jiang Aurantii, etc. It is supplied to the whole country and exported. It is also produced in Shaanxi, Jiangsu, Zhejiang, Hubei, Guizhou, Tibet, Guangdong, Guangxi and other provinces and autonomous regions.