Disease analysis: The nutritional value of dog meat is very rich, containing a lot of protein, flavanol, calcium ions, zinc ions, organic acids, vitamins and so on. Eating some dog meat in moderation can effectively enhance human immunity and improve physical function. From the point of view of traditional Chinese medicine, dog meat is warm, salty and sour, which can warm yang and tonify kidney and has a certain effect of keeping out the cold. It can also tonify the middle energizer and replenish qi, and has a good improvement effect on some elderly patients with yang deficiency. In addition, vitamin A and vitamin E in dog meat can effectively alleviate visual fatigue and nourish the optic nerve.