Infant height exceeds the main need to exclude pituitary diseases, endocrine system diseases caused by disease, if the disease caused by the existence of a certain harm, if the exclusion of disease factors is not too harmful. The child’s height is very much influenced by the genetic factors of the parents, if the parents have obvious height advantage, the child may be higher at all stages, if the growth rate is not abnormal, the infant’s diet, spirit, sleep, there is no abnormality, then it should be normal, there is no harm. In addition, some diseases may also cause infants to grow too fast in height, such as pituitary tumors or endocrine system diseases, there is an increase in the secretion of growth hormone in the body, which will stimulate the development of height, but at the same time, it will also lead to craniofacial anomalies, cardiomegaly, diabetes mellitus and other diseases, which have certain hazards, and need to be promptly sought for medical treatment. Therefore, it is very important to conduct regular child health checkups to monitor whether the height development of infants is normal or not, and parents are advised to improve further examination to clarify the causes of abnormal height development of infants when necessary.