The second injection of Goserelin is not recommended to be delayed, which may cause hormone secretion disorders in the body, which is not conducive to the recovery of the disease. Goserelin is a synthetic analog of luteinizing hormone-releasing hormone, which can effectively inhibit the secretion of luteinizing hormone from the pituitary gland, and is used in hormone therapy for prostate cancer, as well as premenopausal and perimenopausal breast cancer, endometriosis, and other diseases. It is usually injected by subcutaneous injection once every 28 days, and if the second injection is delayed, it may cause disruption of the hormone secretion in the body. Patients first use of goserelin about 21 days female serum estradiol concentration can be suppressed, male testosterone concentration reduced to the level of de-escalation, the second injection is recommended to be on time, can effectively maintain the blood concentration. However, after the injection of Goserelin patients are prone to flushing, decreased libido, dizziness and headache, abdominal distension and diarrhea, mental disorders and other adverse reactions, so when choosing the injection of Goserelin, it is necessary to choose reasonably according to their own actual situation, under the advice of the doctor, pregnant women, lactating women, patients with urethral obstruction, children and those who are allergic to the drug should be prohibited from using it. If you need to use the above drugs, you need to standardize the use under the guidance of a doctor.