Deer antler blood is effective for men in generating marrow, tonifying the kidneys, strengthening the kidneys and bones. Deer antler blood is extracted from the antlers of horse deer or sika deer. Currently, it comes from farmed animals and should not be hunted or killed in the wild. Deer antler blood is also a good Chinese herbal medicine. It is sweet, salty and warm in nature, and is attributed to the heart, liver and kidney meridians. It has the effect of tonifying the kidney, strengthening the muscles and bones, regulating the flush and fixing the belt, and supporting the sores and muscles. For male efficacy, in addition to regulating the flush solid band, are available. Therefore, Deer Antler Blood can be used for male impotence, premature ejaculation, spermatorrhea and other symptoms of kidney deficiency, in addition, Deer Antler Blood can also be used for insomnia, dizziness and headache and other symptoms. Adverse reactions and contraindications are not clear. However, the use of the drug should be under the guidance of a doctor.