It is a kind of herbal medicine, produced in the lower to southern provinces of the Yangtze River basin in China. It is harvested in summer when the fruit is ripe, washed and dried and cut off, and can be used externally in moderation. The taste of Zingiber officinale is bitter, and the main components are alkaloids and coumarins, which have the efficacy of clearing heat and detoxifying, cooling blood and subduing swelling, and clearing heat and dampness: 1. Clearing heat and detoxifying, generally mainly used in clinical treatment of jaundice, dysentery, mastitis and pharyngitis. In addition, fresh Zingiber officinale can be pounded and applied to wounds for the treatment of poisonous snake bites.2. Cooling the blood and subduing swelling is mainly used for the treatment of red eyes and canker sores.3. Clearing heat and promoting dampness is generally effective for jaundice and hot showers. It can also be used to treat intestinal canker sores and canker sores. For the treatment of scrofula and tuberculosis, it can be combined with Xia Ku Cao, Xuan Shen, Bei Mu, and oyster for dispersing nodules and subduing swellings.