Buffalo horn is a traditional Chinese medicine, the medicinal effect of which is to calm alarm and detoxify, clear heat and cool blood (to relieve blood heat by clearing heat), which can improve the effects of high fever of warm diseases, epistaxis, convulsions, epilepsy, epilepsy, delirium tremens, epilepsy, and hair spots and rashes. Buffalo horn is cold and bitter in nature and can enter the heart and liver meridians, and its concentrated powder is often used in the clinic with Xuan Shen, Antelope horn, Gypsum and other medicines to treat high fever, delirium, convulsions and other diseases caused by warm fever. In addition, for people with hemiplegia and delirium, buffalo horn can be combined with mother-of-pearl, scutellaria baicalensis and oxalis. Besides, Buffalo horn can also be combined with Rhizoma Coptidis, Forsythia, Scutellariae and other medicines to improve epistaxis and macular rash caused by blood-heat paranoia (abnormal blood movement out of the body as a result of heat); and with Radix Rehmanniae Praeparata, Radix et Rhizoma Ovatae, Radix Paeoniae Lactiflorae, for the treatment of sore throats and carbuncle sores and ulcers. Buffalo horn is contraindicated for people with cold spleen and stomach (spleen and stomach weak and cold), and the adverse reactions are not clear. Buffalo horn needs to be used under the guidance of a professional doctor to identify the evidence, do not self-medication, so as not to cause discomfort.