There are no clear absolute contraindications for hysteroscopy, but the following are relative contraindications 1, Vaginal and pelvic infections. 2.Much uterine bleeding. 3, Those who want to continue the pregnancy. 4. Recent uterine perforation. 5. Excessive narrowing of the uterine cavity or a stiff cervix that is difficult to dilate. 6.Infiltrating cervical cancer. 7.Severe medical disorders that make it difficult to tolerate uterine dilatation. 8.Tuberculosis of the reproductive tract without anti-TB treatment. 9.Hematological disease without follow-up treatment.