In ancient times, the deer was a symbol of longevity. The young horns of the stag, when they have not grown into hard bones, are called deer antlers because they are hairy and contain blood. It is a valuable and commonly used traditional Chinese medicine, and is classified as a middle grade in “Shennong’s Classic of the Materia Medica”. Because of the original animal is different, is divided into flower deer antler (yellow antler) and horse deer antler (green antler) two kinds, because of the number of branches and different old and young, can be divided into saddle, two bars, hanging angle, three branches, flower cut antler, lotus and so on a variety of. Deer antlers on the market are mostly antler slices, which are divided into blood slices, powder slices, sand slices and bone slices according to the different parts of the slices. Near the top of the cut is called blood, the efficacy of the best, the price is also expensive. Bone slices are cut near the end of the bone and have the worst quality and medicinal properties. The Dictionary of Traditional Chinese Medicine records that deer antler: strengthens the vital energy and yang, replenishes qi and blood, benefits the essence and marrow, and strengthens the tendons and bones. It is used for treating deficiency labor and winnowing, mental fatigue, and uterine deficiency and coldness. The Compendium: generates essence and tonifies marrow, nourishes blood and benefits yang, strengthens muscles and bones. It is used to treat all kinds of deficiency, deafness, darkness of the eyes, dizziness and dysentery. The Complete Book of Ancient and Modern Medicine? Ophthalmology” in the cloud: “the eye gets blood and can see, so the blood for the Lord, blood disease is eye disease. Many eye disease patients feel that antler can nourish the blood, so the eyes must be good, and want to eat, but often people take antler after nosebleeds, eye swelling and burning or even aggravation of the situation, this is why? Chinese medicine in the drug consumption, not only pay attention to the efficacy, but also to identify the nature of the drug flavor attributed to the meridian. Deer antler is sweet, salty and warm. It belongs to the kidney and liver meridians. Because of its warm nature, it is especially suitable for patients with coldness, while the opposite is not suitable. For patients with eye disease, but also requires a combination of some other signs and symptoms can be eaten, such as more than 40 years of age, middle-aged men and the poor physical condition of the elderly, deer antler can replenish blood, strong heart and rejuvenate the veins, bruises and muscle, strong tendons and bones. People who are afraid of cold, young and middle-aged people who are over-fatigued on weekdays, and patients who have dizziness, tinnitus, insomnia, forgetfulness, sweating, anemia and other essence and blood deficiencies can take it. For young people, infants and young children, strong body, local congestion is obvious, no matter which kind of glaucoma eye pressure control is poor, cold and fever, poor appetite, dizziness, irritability, dry stools, yellow urine, such as real fire exuberant people, high blood pressure, intraocular hemorrhage in the early stage of the person when to be cautious or avoid eating deer antler. When patients do not have a clear understanding of their own situation, it is best to consult a doctor before taking the drug, to help identify the evidence to guide, combined with the physical condition of the person to decide whether or how to take it. Deer antler can be consumed by decoction or single decoction, or soaked in wine, or added to chicken or duck dietary supplements. At the same time, during the period of consumption, it is not advisable to drink tea, eat radish and Chinese herbal medicines that contain Lapis lazuli, grain buds, malt, in order to avoid weakening or antagonizing the efficacy of antler velvet.