The kidney, the congenital base of life, controls the of the bone and marrow; the spleen, the is the source of the generation and trans qi and blood, governing the development of Abnormal daily life and improper diet in cause the fetal primordial qi to lose its rise to deficiency of congenital qi of improper postnatal feeding and improper of the spleen and kidney, or long-term failure to be solarized affects the normal functions of, causes the shortage of generating and transforming sources, and asthenia of the kidney and deformation of joints, giving rise to rickets.

According to the theory of traditional Chinese medicine, there are some patterns of syndrome that lead to vitamin D deficiency rickets.
1. Asthenia of the spleen and sthenia of the liver 
2. Asthenia of both the spleen and kidney