Wood Butterfly is bitter, sweet and cool in nature, and belongs to the lung, liver and stomach meridians. Wood Butterfly is the dried mature seeds of wood butterfly of the family Ziweiidae, also known as Thousand Sheets of Paper, which has the effects of clearing lung heat and clearing throat (clearing and draining lung heat, clearing and clearing the throat), evacuating the liver and harmonizing the stomach, and it can be used to treat lung-heat coughs, laryngeal paralysis (red, swollen and painful pharynx, or dryness, foreign-body sensation, or itchy throat with discomfort and difficulty in swallowing), mute voice, and liver and stomach qi pains and other illnesses. Wood Butterfly has good effects of clearing lung heat, facilitating the throat, and opening up hoarseness of voice, and is a commonly used medicine for treating sore throat. It is mostly used together with XuanShen, BanLanGen, FatHaiYang, etc. In treating liver and stomach qi pain, it is mostly used together with ChaiHu, BaiShi, etc., in order to play a role of dredging up the liver and regulating the stagnation of qi in the liver, harmonizing with the stomach and alleviating the pain. The use of Chinese medicines needs to be recognized by a Chinese medicine practitioner after use, avoid self-medication, so as not to cause adverse reactions.