Kidney deficiency refers to the deficiency of essence and yin and yang in the kidneys. There are many types of kidney deficiency, the most common of which are kidney yin deficiency and kidney yang deficiency. Symptoms of kidney deficiency: symptoms of kidney yang deficiency are lumbar soreness, cold extremities, coldness, and even edema, which are symptoms of “cold”, The symptoms of kidney yin deficiency are “heat”, mainly including lumbar soreness, dryness and heat, night sweats, false sweats, dizziness, tinnitus, etc. Modern science proves that when a person suffers from kidney deficiency, whether it is kidney yin deficiency or kidney yang deficiency, it will lead to a decrease in immunity. There is more evidence that when kidney deficiency occurs, the immunity of the kidney is reduced, and the microcirculatory system of the kidney will be blocked, and the kidney complexes will be blocked. Therefore, the treatment of kidney deficiency should be a combination of prevention and treatment. 1, Chinese medicine believes that kidney deficiency should be tonified with yin and yang in order to treat both the symptoms and the root cause. 2, in addition to Chinese medicine, usually pay attention not to stay up late, do not be agitated, pay attention to diet. 3, if you are married, the appropriate conjugal life is possible, not too frequent. To the next day not fatigue, comfortable for good. 4, there are also actively engaged in physical exercise, to enhance physical fitness, and pay attention to rest, to prevent overwork.