If you find that your child’s height is lower than that of children of the same age, you should go to a regular hospital for examination to determine whether it is short. In addition, there are a variety of drugs or instruments on the market for height growth, so you should keep your eyes open. 1. Height measurement and medical history: When measuring height, take off shoes, stand straight and relax, check the normal range of values in the table (different age, gender, region and ethnicity have different normal ranges), body proportion, etc.; ask parents about height, family situation and past disease history. 2.Physical examination: including intelligence, facial appearance, examination of major organs (visual, tactile, percussion and hearing), external genital examination. 3. Laboratory examination: (1) blood, urine and stool routine, liver and kidney function, blood glucose if necessary; (2) left wrist X-ray to see the bone age and epiphysis; (3) cranial MRI examination to see the size of the pituitary gland and whether there is an occupational lesion; (4) thyroid function, insulin-like growth factor-1, insulin-like growth factor binding protein-3 test; (5) growth hormone stimulation test (2 kinds of drugs); (6) growth hormone stimulation test. (6) chromosome examination (if necessary); (7) adrenal ultrasound examination (if necessary).