LYSIMACHIA odorata, also known as vanilla, Eupatorium odoratum, etc., is a perennial herb of Primulaceae. The whole herb contains aromatic oil similar to coumarin, which can be used as tobacco and balsam. Dry goods can be put into the box to prevent insects from eating clothes; It is also used for medicine. It has the effects of dispelling cold and excreting filth, and can treat seasonal pathogenic cold, headache, low back pain, chest tightness, abdominal distension, nocturnal emission, ascaris, etc. It is a valuable aromatic plant with high economic value and good market prices at home and abroad.