Deer antler is sweet, salty and warm in nature. It belongs to the liver and kidney meridians. It has the function of warming kidney yang, benefiting essence and blood, and strengthening tendons and bones. It can be used to treat cold and weakness, impotence and spermatorrhea, urinary emission, cold and infertility in the uterus, deficiency of cold and leakage, and excessive discharge of the belt, etc. It can be used orally alone or with Radix Rehmanniae, Cornu Cervi Pantotrichum and Radix Bacopa Monnieri. It is also used in children with deficiency of liver and kidney for stunted growth, soft bones, delayed walking and irregular fontanelle, etc. It can be combined with Radix Rehmanniae, Cornus officinalis and Cornus officinalis, such as Jia Wei Di Huang Wan. In addition, deer antler has the function of warming and tonifying the inner support, and can also be used for the treatment of gangrene, sores that do not converge after a long period of time. Deer antler should be taken 0.5g-1g each time, 2-3 times a day, and used in pills. Deer antler should not be used in large quantities to avoid fire and yin, and it is not suitable for people with Yin deficiency and heat in the blood. Modern pharmacological research proves that deer antler is a good general strengthening agent that can reduce fatigue, increase work efficiency, improve sleep, promote red blood cell and hemoglobin proliferation, improve heart work efficiency, and promote wound healing.