Clinically, it is mainly used for the treatment of endometriosis, hormone dependent prostate cancer, breast cancer, children’s true precocious puberty, and can also be used for assisted reproductive technology. The main adverse reactions of triptorelin are as follows: in the early stage of male treatment, urinary disorders, breast swelling and pain, bone pain, hot flashes, decreased libido and impotence can also occur. Rare male and female breast and testicular atrophy and sleep disorder. In the first week of children’s treatment, there will be a small amount of vaginal bleeding in girls, which can be corrected by short-term additional treatment.