A well-defined temporary calcified band indicates normal development of the long bone being examined. The provisional calcified zone is a transverse thin dense band of calcified cartilage matrix and primary trabeculae at the tip of the epiphysis of the pediatric long bones. The provisional calcified zone is well defined on X-ray, indicating a well-developed long bone stem. Temporary calcified band is irregular, fuzzy, thinning, disappearing, often suggesting dysplasia, mostly seen in vitamin D deficiency rickets, after reasonable treatment such as adherence to sun exposure, appropriate supplementation of vitamin D, calcium, etc., the initial and active stage of the person can be restored to normal; such as severe rickets, there may be certain sequelae, such as bone deformation. For infants and young children should be more sunshine, according to the need for vitamin D supplementation as prescribed by the doctor, to prevent the occurrence of vitamin D deficiency. Infants or children with excessive sweating, irritability, etc., should consult a doctor in a timely manner, a clear diagnosis, and follow the doctor’s instructions to standardize the treatment, so as not to delay the condition.