Amenorrhea injections have many side effects and are not recommended if they are not necessary. First, amenorrhea injections can affect ovarian function, resulting in fluctuations in hormone levels and endocrine disruptions that can lead to menstrual disorders and menstrual disorders. Secondly, after amenorrhea injection, menopausal syndrome will be obvious, such as hot flashes, palpitations, dizziness, insomnia, tinnitus and other autonomic disorders, lack of concentration, irritability, depression, memory loss, etc. In severe cases, it may affect work, life and sleep. In the distant future, symptoms of genitourinary tract atrophy, such as difficulty in sexual intercourse, recurrent vaginal infections and urinary tract infections, and an increased risk of osteoporosis, dementia and cardiovascular disease, may occur.