Endometriosis is a disease formed when the growth-active endometrium is ectopic outside the uterine cavity. Common clinical manifestations include dysmenorrhea, masses and infertility. 1. Dysmenorrhea: Patients with endometriosis usually experience dysmenorrhea, and pain may occur during, around and after menstruation. 2. Masses: Patients with endometriosis may form pelvic masses. If the endometrium is ectopic to the ovaries, ovarian chocolate cysts may be formed; when ectopic to the bladder or rectum and other locations, hard nodules or masses may be palpable. 3. Infertility: severe endometriosis may have pelvic adhesions, abnormal tubal peristalsis, and local inflammatory factors may also cause ovarian non-ovulation, which may even lead to infertility in severe cases. Endometriosis is related to estrogen levels and occurs more often in women in their reproductive years. Drugs such as Fenpropidol are often used to relieve the symptoms of dysmenorrhea, and drugs such as Eucerin and Norethindr can be used to inhibit the growth of the uterine lining. In severe cases, hysterectomy is needed to treat the condition. The use of specific drugs need to be under the guidance of a doctor, endometriosis patients need to consult a doctor in a timely manner, if necessary, the appropriate treatment, and follow the doctor’s instructions for regular review.