Clinical deer antler does not specify “which five kinds of people should not eat”, but heat evidence, yin deficiency and hyperactivity (yin deficiency, hyperactivity) should not be used. Deer antler is sweet, salty and warm, belonging to the kidney and liver meridian. It has the effect of benefiting the essence and blood, regulating the Chong Ren, tonifying the kidney and strengthening the yang (the effect of tonifying the kidney and yang), supporting sores and poisons, and strengthening the muscles and bones. It is used in the treatment of kidney yang deficiency, uterine cold and infertility, impotence and spermatorrhea, deficiency of essence and blood, fatigue of the spirit (lack of spirit), yin gangrene (a general term for a class of slow-onset yin sores and ulcers), internal trapping and unavailability of the body. It should be noted that the drug is warm and hot, so it should not be taken by patients with yin deficiency and hyperactivity of yang, solid heat, blood-heat hemorrhage and external heat diseases. If necessary, it is recommended to go to a regular hospital for treatment under the guidance of a professional physician.