"Compendium of Materia Medica" said that velvet antler can "refine the marrow, nourish the blood and strengthen the yang, strengthen the muscles and strengthen the bones, cure all the damage, dark ears, dizziness and vain." In addition, "Famous Doctors", "Meng Xi Bi Tan", "Pharmaceutical Theory", "Materia Medica" and other works are discussed, and gradually extended to whip, tendons, blood, tail, tire, strip, angle, etc. Part of the medicine.