Earthworm are anthraquinone chemicals. The complex of exists in nature and can also be artificially synthesized. Terpenes include products and dimers of varying degrees of reduction, such as indophenol, oxidized phenol, fluorenone, and the like, as well as steroids of these compounds. In natural products, earthworm are often found in metabolites of higher plants and lower plant lichen and fungi. It has the functions of stopping bleeding, antibacterial, venting, and diuresis.