Patients describe their pain throughout, but sometimes they are not allowed to get to the main points, and it is difficult for doctors to obtain critical information in a short period of time. Therefore, the following key questions are listed, all of which are clinical manifestations that are asked during the consultation and treatment of endometriosis in hospital obstetrics and gynecology departments, and are very important for guiding treatment. 1. When the dysmenorrhea started, primary or secondary, with or without progressive worsening. 2. The relationship between dysmenorrhea and the menstrual calendar, the most painful days of menstruation and how many days it lasts. 3.Characteristics of dysmenorrhea, continuous or intermittent? Is it a cramping sensation? Dull pain or sharp pain? 4. The degree of dysmenorrhea, whether you can keep up with your daily work and study, whether you need to take painkillers, whether the painkillers are effective, and to what extent it affects your work, study and life, the doctor can do the pain grading for the patient through the above and further guide the treatment. 5.Whether there are the following accompanying symptoms during menstruation: thin stool, feeling of urgency and heaviness, feeling of anal swelling, painful defecation, blood in stool. 6.Whether there is deep intercourse pain, chronic pelvic pain (pain outside of menstruation). 7. Your own fertility status, contraceptive status, and what are your future fertility requirements.