Ultrasound does not hurt. Ultrasound is categorized into abdominal ultrasound and vaginal ultrasound, both of which do not cause pain to women. In the clinical ultrasound examination includes abdominal ultrasound and vaginal ultrasound, abdominal ultrasound is through the abdomen to check, vaginal ultrasound is through the vagina to check, the detection probe is placed in the detection area, through the ultrasound conduction method of imaging, this process will not produce pain. The patient will cooperate throughout the ultrasound procedure, which is a quiet, non-invasive test in a non-traumatic environment, and the patient tends not to experience discomfort. Do abdominal ultrasound most patients need to hold their urine, women after 3 months of pregnancy do not need to hold their urine, do vaginal ultrasound does not need to hold their urine, some patients need to fast to do ultrasound of the liver, gallbladder, pancreas, spleen, to be able to improve the accuracy of the test. It is recommended to go to a regular hospital to do ultrasound examination, inspection and timely treatment of any problems.