What is the relationship between kidney deficiency and spleen deficiency?

Kidney deficiency and spleen deficiency belong to complementary diseases, the specific analysis is as follows:

kidney in traditional Chinese medicine is considered to be congenital, and spleen in clinical is acquired, for patients with spleen yang deficiency, spleen qi deficiency with the development of the disease will affect the kidney function, resulting in kidney yin deficiency, kidney yang deficiency situation, at the same time if congenital deficiency, may also affect the spleen function, acquired abnormal performance, so consider kidney deficiency and spleen deficiency complement

each other.