Eight strands of cattle is the alias of white fresh skin, white fresh skin has the efficacy of clearing heat and drying dampness, dispelling wind and detoxification, used for damp-heat sores, yellow water drenching, eczema, rubella, scabies sores and mange, rheumatism-heat paralysis (often manifested as burning joints and muscles, pain, redness and swelling, etc.), jaundice and urinary redness. White fresh skin taste bitter, salty, cold, to the spleen and stomach meridian, clinically used in the treatment of skin herpes simplex, eczema, ringworm, ringworm, herpes zoster, scabies and other diseases, has a good therapeutic effect. White fresh skin is cold in nature, and should be used with caution for people with cold spleen and stomach. For the heart and kidney have fire, Yin deficiency hyperactivity of the crowd are not suitable to take. It is not suitable to be taken with cuttlebone, Platycodon grandiflorus, Poria, Dioscorea, and so on. It is recommended that under the guidance of a doctor to identify the evidence and then use medication to regulate.