The treatment of precocious puberty includes: 1, clear etiology: find the cause of precocious puberty, specific etiology to remove the causative factors, such as tumor-induced precocious puberty, surgery-related surgery and chemotherapy can be done to treat the original disease; 2, idiopathic precocious puberty: the current etiology is unclear, mostly seen in girls, usually drug injection therapy, once a month, continuous treatment for about 2 years, to achieve the inhibition of the patient’s secondary sex characteristics too fast development, and It can inhibit the rapid development of secondary sex characteristics and the rapid growth of bone age, so that the final height of the patient will not be affected. It is recommended to treat the patient as early as possible after the diagnosis is clear, because the treatment effect is not ideal if the treatment time is missed, so it is more crucial to master the treatment time.