Zheng Xin, an 89-year-old master of traditional Chinese medicine, is best at treating kidney disease. In the process of practicing medicine for more than 60 years, he found that there is a problem closely related to kidney disease, which runs through the whole process. If this problem is not solved well, it will affect the treatment of kidney diseases. Do you know what the problem is? How to prevent and improve this problem? Please pay attention to Zheng Xin, the former director of Nephrology Department of Chongqing Hospital of Traditional Chinese Medicine, who gave a lecture on the classic of TCM master's health-regulating spleen and kidney.