Kidney deficiency in Chinese medicine: 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. The symptoms of kidney yang deficiency are lumbar soreness, cold extremities, coldness, poor sexual function and even edema, which are symptoms of “cold” and are kidney yang deficiency; the symptoms of kidney yin deficiency are “heat”, mainly including lumbar soreness, dryness and heat, night sweats, false sweats, dizziness and tinnitus, etc. The First Affiliated Hospital of Henan College of Traditional Chinese Medicine, Department of Nephrology, Song Chun Dong Modern science has proven 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 immune capability.