Short stature mainly means that the height of children is lower than two standard deviations of the average height of children of the same age, race and sex, and the annual growth rate is lower than 5cm. It may be caused by insufficient or insufficient secretion of growth hormone, short family stature, insensitivity to growth hormone and bone development disorder.

Etiology:

1. Endocrine diseases: such as growth hormone deficiency, insufficient thyroid hormone secretion, hereditary metabolic diseases, etc., among which growth hormone deficiency is more common;

2. Genetic factors: Genetic height affects the patient's height by about 70%. The average height of parents is 6.5cm, and the genetic target height of patients is calculated.

3, environmental factors: mainly including nutritional factors, if malnutrition, poor resistance, frequent illness, will affect height;

4. Others: such as exercise, sleep, mood, etc. , will affect the height.