1, growth hormone deficiency: growth hormone is the most important “power” to make people grow taller, lack of this hormone people are short, and affect the sexual development and organ function maturity; 2, idiopathic dwarfism: is a class of multiple causes of a combination of slow growth, adult short stature; 3, intrauterine growth retardation: at birth, low weight; 4, early puberty: premature sexual development of children eventually shorter, the earlier the sexual development also has a greater impact on height; 5, hypothyroidism, adrenal cortical function Low weight at birth; 4. Early puberty: children with precocious puberty end up shorter, and the earlier the sexual development, the greater the impact on height; 5. Other endocrine diseases such as hypothyroidism and abnormal adrenocortical function; 6. Hereditary dwarfism: height is polygenic, and the height of family members, especially parents, has a great impact on the child’s height; 7. Skeletal diseases, such as chondrodysplasia; 8. Chromosomal disorders, common ones such as congenital ovarian hypoplasia. Only timely diagnosis and treatment can obtain the final satisfactory height.