Horseshoe Fern is effective in clearing heat, detoxifying and dispelling wind. Horseshoe Fern is the rhizome of Fujian rosette fern, family Rosaceae. It is bitter in taste and cold in nature, and its effects are dispelling wind, clearing away heat, detoxifying, mainly used for treating venomous snake bites, postpartum abdominal pain, rheumatic paralysis, carbuncle boils, mumps, carbuncle (refers to the acute suppurative disease that occurs in the breast), leakage of menstrual period (excessive menstruation or more than a few drops), bleeding from wounds and bruises, swelling and pain and other conditions. Horseshoe fern can be used internally or externally, decocted for internal use and pounded for external use. However, it is not suitable for patients with cold spleen and stomach. It should be noted that if the patient needs to use the horseshoe fern, it is recommended to use it under the guidance of a doctor, do not blindly use it on your own, so as not to affect the condition.