Endometriosis may present with painful symptoms such as dysmenorrhea, painful intercourse, incision pain, and acute abdominal pain. 1. Dysmenorrhea: Dysmenorrhea is the main symptom of endometriosis and worsens progressively. It appears before the onset of menstruation and lasts throughout the menstrual period. The pain may radiate to the perineum, anus and thighs. 2. Pain during sexual intercourse: When endometriosis patients have ectopic foci in the rectal recess of the uterus, pain can be caused by collision during sexual intercourse and contraction of the uterus to lift it up. 3. incision pain: surgical scar endometriosis, can be in the menstrual period of cesarean section incision or perineal incision cyclic pain, endometriosis lumps and other symptoms. 4. acute abdominal pain: endometriosis cysts, in sexual intercourse, the abdomen is hit when abdominal pressure increases, causing cyst rupture, acute lower abdominal pain. Endometriosis timely consultation with regular hospitals, under the guidance of the doctor to give appropriate treatment.