There is no such thing as five kinds of people should not eat deer antler. Anyone with yin deficiency and hyperactivity (deficiency of yin fluid and hyperactivity of yang qi), blood division (in the four periods of warm disease Wei qi and Ying blood, belonging to the deepest stage or disease) with heat, stomach fire, lung with phlegm heat, external fever and allergic to deer antler are prohibited to take. Deer antler is sweet, salty and warm in nature. It belongs to kidney and liver meridians. It has the effect of strengthening kidney and yang, benefiting essence and blood, strengthening muscles and bones, regulating the stroke, and supporting sores and poisons. Deer antler is clinically used for kidney yang deficiency (lack of yang energy in the kidney), deficiency of essence and blood, impotence and spermatorrhea, infertility in the uterus, lethargy, fatigue, coldness, vertigo, tinnitus, deafness, cold pain in the lumbar and spinal columns, soreness of muscles and bones, leakage of menstruation (excessive amount of menstruation or more than a few drops) with hypoglossal discharge, and yin gangrene (a general term for a group of slow-acting negative sores and ulcerative disorders) without astringency. Please do not use the medicine by yourself, it is recommended to do so under the guidance of a doctor.