1, the initial period: Vitamin D 5000 ~ 10,000 IU, orally, the course of treatment for one month; can not be taken orally with VitD 2.4 million or D 3.3 million intramuscular injection, most once then, a few need, a month later can be injected again. 2, the radical period: VitD 1 ~ 20,000 IU, orally, the course of treatment for one month, can not be taken orally VitD 2.4 million or D 3.3 million IU intramuscular injection, can be injected 2 to 3 times according to the condition, interval of 1 month. And appropriate supplementation of calcium and vitamin A, B, C, etc. If the condition is not relieved in 3 months of treatment, attention should be paid to finding the cause, should not just use vitamin D preparations, so as not to cause poisoning. 3.Recovery period: The method of “sunshine in summer and AD in winter” can be used, and the dosage of vitamin D is 100,000-250,000 IU, once orally or intramuscularly. 4, the sequelae period: no drug treatment, pay attention to strengthen physical exercise, the skeletal deformity to take active or passive methods of correction, chest deformity can be made in a prone position to lift the head and spread the chest exercise; lower limb deformity can be made muscle massage (“O” leg massage lateral muscle “X” leg massage medial muscle, increase muscle tone to correct deformity.