Deer antler is used for strengthening kidney yang, benefiting essence and blood, etc. It is used for kidney yang deficiency (lack of yang energy in the kidneys), deficiency of essence and blood, impotence and slippery semen, and infertility in the cold uterus. Specific medication should follow the doctor’s prescription. Deer antler is sweet, salty and warm in nature. It belongs to kidney and liver meridians. It has the effect of strengthening kidney yang, benefiting essence and blood, strengthening the bones and muscles, regulating the Chong Ren, and supporting sores and poisons. It is used for kidney yang deficiency, essence and blood deficiency, impotence and spermatorrhea, infertility, lethargy, fatigue, fear of cold, dizziness, tinnitus, deafness, lumbar and spinal cold pain, tenderness and weakness of tendons and bones, leakage (excessive menstruation or more than a few drops) with lowering of the belt, yin gangrene (is a kind of slow condition of the yin sores and ulcers of the disease of a general term) does not converge, and so on. It is forbidden to be taken by those who have yin deficiency and yang hyperactivity (deficiency of yin fluid and hyperactivity of yang qi), those who have heat in blood (in the four periods of warm disease, Wei qi and Ying blood, it is the most in-depth stage or location), those who have fire in the stomach, or those who have phlegm heat in the lungs, as well as those who have external heat illnesses. Take this drug should start from a small amount of slowly increase, the adverse effects of the drug is not clear, the specific use of drugs should be under the guidance of a specialist.