Gynecologic ultrasound is divided into vaginal ultrasound and abdominal ultrasound. Abdominal ultrasound is performed in the abdomen after the patient has held urine in advance and the bladder has formed a transillumination window. Vaginal ultrasound is a method in which the patient does not have to hold urine, and the probe is used directly from the vagina into the uterine cavity for examination, which is clearer and has a higher diagnostic rate than abdominal examination. These two are more convenient in the operation of gynecological examination, with painless, non-invasive, inexpensive, clear diagnosis of the point, these two for the female uterus, adnexa, pelvis and other parts of the examination to understand the specific situation. Women must be prepared to do ultrasound examination, avoid menstrual period, if simply check the uterus, adnexa, to be examined after 3-7 days after menstruation clean, if the examination during the menstrual period will affect the results. Women should take care of their body, change their underwear frequently and keep the vaginal area hygienic.