Simmer the antelope horn powder in boiling water for 10 to 15 minutes. Antelope horn powder is the horn of the bovine saiga antelope. Its chemical components are calcium phosphate, keratin and insoluble inorganic salts, among which keratin contains the most. Antelope horn powder is a medicine for treating internal movement of liver wind. Antelope horn is cold in nature and salty in taste. It returns to the liver meridian and heart meridian. It has the functions of calming the liver and extinguishing wind, clearing the liver and improving eyesight, clearing away heat and detoxifying.