You should come to the hospital in the morning on an empty stomach as you may have to undergo various laboratory tests on your first visit. In order to fully understand your child’s condition, please carefully recall the following information and record it in advance: 1. the child’s birth date, whether it was a cesarean or a normal birth, whether there was asphyxia and bruising at birth, etc. The child’s height and weight at birth and the annual growth rate for each of the three years after birth, and whether the child can grow by 5 cm per year from the age of 3 until puberty, and the child’s physical examination form or height chart from previous years, if available. If the mother has any history of disease during pregnancy, such as gestational hypertension, gestational diabetes, etc. 3. The specific age of the child, the child’s intelligence, diet, sleep status, whether the child is a picky eater, a partial eater, whether the child can actively participate in physical exercise, the child’s usual resistance, whether the child drinks and urinates a lot, constipation, headache, snoring, etc. Has the child had any disease in the past, where the treatment was carried out and the effect of treatment, etc. 4. The height of the child’s parents, the time of the mother’s first menstruation, and the time of the father’s first ejaculation. 5. Any family history of diabetes, family history of hypertension, and any short person in the family. 6.Other family medical history. 7. If the child is suspected to be precocious, attention should be paid to: if the child is a girl, attention should be paid to the development of breasts and pubic hair, and the presence of menstruation; if the child is a boy, attention should be paid to the size of testicles, penis size and skin color, and the presence of spermatorrhea. 8, there are also special attention to the presence of headache, vomiting, vision changes or other neurological symptoms. Parents of children with the above information can directly print a copy of the answers in order and bring it directly to the clinic, not only to accurately describe the child’s situation but also to save time in the outpatient clinic. Parents of children with telephone consultations will also need to provide the above information. In addition, for patients referred from other hospitals, in addition to the above information, it is recommended that you bring all tests done at other hospitals, especially recent bone age films, blood work, liver and kidney work, growth hormone stimulation test, cranial MRI, IGF-1, karyotype analysis, etc.