Rickets usually refers to vitamin D deficiency rickets, due to insufficient intake of vitamin D, resulting in calcium and phosphorus metabolism malfunction, and ultimately the occurrence of bone deformity. Therefore, the purpose of treatment is to prevent bone deformity, rickets is divided into the early stage, the active stage, the recovery period and the sequelae of the period, to the active stage will be found in the skeletal deformity of the manifestations, so the best period of treatment is in the early stage. That is to say, if the baby once appeared neuromuscular excitability increased performance, such as abnormal crying, excitement, poor sleep at night or excessive sweating, occipital baldness, are the early stage of the performance, suggesting that the baby has vitamin D intake is insufficient, if the postnatal did not timely supplementation of vitamin D, the likelihood of rickets is very high, it is recommended that parents go to the hospital as soon as possible to the hospital, assessed by a doctor for early treatment in order to prevent the progression of the active stage of skeletal deformities. active stage of skeletal deformity.