To do hysteroscopy, generally do not need anesthesia, if more sensitive to pain, can be performed cervical local anesthesia. Hysteroscopy refers to the application of dilatation medium to dilate the uterine cavity, through the insertion of the uterine cavity of the light-guided glass fiber speculum to observe the cervical canal, the endocervical cavity, the uterine cavity and the opening of the fallopian tubes, the lesions of the tissues of the intuitive and accurate sampling, and sent to the pathology of the examination. The time for hysteroscopy is within one week after menstruation, which is the time when the endometrium is thinner, less prone to bleeding, less mucus secretion, and the lesions in the uterine cavity are easier to see. The time needed for hysteroscopy is relatively short and the trauma to the uterus is relatively small, so anesthesia is usually not needed. However, for women who are mentally nervous or sensitive to pain, local anesthesia of the cervix can also be performed.