Goserelin is usually used before and after a 28-day interval, that is, every 28 days subcutaneous injection, but the specific use of the course of treatment should also follow the doctor’s instructions. Goserelin is a synthetic analog of natural gonadotropin-releasing hormone and is mainly used in the treatment of prostate cancer, breast cancer, endometriosis and other diseases. It is an injection that should be given subcutaneously in the anterior abdominal wall and needs to be given every 28 days. It should be contraindicated in people who are allergic to this product and other gonadotropin-releasing hormone analogs, as well as in pregnant women and breastfeeding patients. Decreased libido, flushing, excessive sweating, breast enlargement, impaired glucose tolerance, mood changes, headache, blood pressure abnormalities, decreased bone density, weight gain, and many other adverse reactions may occur with the use of this product. Therefore, this product should be used under the guidance of a doctor and should not be taken on its own to avoid adverse consequences.