在我国,佝偻病目前仍是婴幼儿的常见病,本病的原因是维生素D不足,使体内钙、磷代谢失常,钙盐不能正常地沉着在骨骼的生长部分,以致骨骼发生病变,同时可影响神经、肌肉、造血、免疫等组织器官的功能,对小儿的健康危害较大。因此,积极防治佝偻病,是儿科医疗保健工作者的重要任务。本病的发生与季节、气候、喂养方式、出生情 In our country, rickets is still a common disease in infants and young children. The cause of this disease is insufficient vitamin D, which causes abnormal metabolism of calcium and phosphorus in the body. The calcium salt can not normally settle in the growth part of the bone, causing the bone to be diseased, Nerve, muscle, hematopoietic, immune and other functions of tissues and organs, a greater hazard to the health of children. Therefore, the active prevention and treatment of rickets is an important task for pediatric health care workers. The occurrence of the disease and the season, climate, feeding, birth situation