There are many causes of short stature, first of all, we need to find out the cause of the disease, which requires medical history and related examinations: 1. X-rays of the metacarpophalangeal joints of the left wrist should be taken to understand the age of the bones, to determine the growth of the bones, the degree of epiphyseal closure and the growth potential of the child. 2. Blood, urine, liver and kidney function, thyroid function, growth hormone, growth factor, sex hormone level, and blood chromosome test for girls to determine whether they have congenital ovarian hypoplasia. If necessary, growth hormone stimulation test will be performed. 4. Please follow the doctor’s advice for special tests related to dwarfism. Through these tests, the doctor can make a clear diagnosis of the cause of the child’s short stature and formulate a reasonable treatment plan.