Vaginal ultrasound is painless because the vaginal probe contains lubricant, which helps to minimize local mucosal damage. Vaginal ultrasound, referred to as vaginal ultrasound, is a method of ultrasound diagnosis by placing the ultrasound probe into the vagina, which is suitable for observing the organs in the pelvis, and is characterized by clear images, high resolution, and accurate examination results. The patient needs to empty the bladder before the examination, the doctor uses a disposable condom to cover the vaginal probe and applies sterile coupling agent inside and outside, and puts the probe into the posterior fornix of the vagina to observe the uterine adnexa and pelvic cavity and other conditions.