Kidney is the foundation of the innate, spleen is the foundation of the innate is the importance of the spleen and kidney in the human body organs, and the spleen and kidney physiological support each other, pathologically affect each other. Physiological mutual support: the spleen main transport (spleen has the function of digesting food, absorbing food essence and water and transferring it to the whole body) water and grain essence, qi and blood, for the foundation of the day after tomorrow; kidney essence, for the sea of essence and blood, for the foundation of the day after tomorrow. Spleen’s transportation, need to warm and steam the kidney yang, in order to be able to transport; kidney essence and rely on the spleen to transport the water and grain essence of the continuous supplementation, in order to be able to enrich. Pathologically, they affect each other: when kidney yang is insufficient (lack of yang in the kidneys) and cannot warm and warm spleen yang, it will lead to spleen yang deficiency, which will in turn affect kidney yang and cause kidney yang deficiency, and both of them will eventually lead to spleen and kidney yang deficiency (deficiency of yang in the spleen and kidneys). If symptoms related to the spleen and kidneys occur, it is necessary to go to the hospital in a timely manner, so as not to delay the condition.