Saizen recombinant human growth hormone, also often referred to as clinical growth hormone, which is mainly used for children or adults because of growth hormone deficiency caused by growth disorders. 1985 approved by the U.S. FDA, it is mainly used in the treatment of growth hormone deficiency in children. Subsequently, according to the gradual increase in clinical data, the therapeutic effect is more obvious, and the safety has been verified, and its indications have been gradually relaxed to other growth disorders, such as gonadal hypoplasia, which often leads to Turner’s Syndrome in female patients, as well as growth disorders of pre-pubertal children caused by chronic renal disease, and growth disorders caused by the shortage of the SHOX gene, can be used to improve the height of children or adults. Growth hormone can be used to improve height. If a child with short stature has been diagnosed with growth hormone deficiency through growth hormone stimulation test, the dosage of growth hormone can be calculated according to the child’s body weight, and the height growth of the child can be observed after the injection as well as whether there are any adverse effects of the drug.