After pregnancy, if itching occurs at the urethra, the most common clinical reason is because of the increase in vaginal secretions due to the large increase in estrogen in the body during pregnancy, so it will stimulate and cause localized itching at the vulva and the vaginal opening. It is recommended to keep the vulva clean first, wash the vulva with warm water 1-2 times every day, and then change the underwear diligently. If the itching of the urethra still exists after this treatment, it is recommended to go to the hospital to do the appropriate examination to rule out local allergies or local inflammatory reactions, and then according to the results of the appropriate treatment should be given. During pregnancy, vaginal secretions increase, it is necessary to maintain local cleanliness to avoid causing inflammatory reactions in the urethra, vaginal opening and vagina.