The painless abortion procedure takes about 30 minutes in the smoother cases. It takes about 5-10 minutes for the procedure to be prepared and for the anesthesia medication to take effect, and then the surgeon begins the procedure, which takes about 5-10 minutes. After the procedure, the patient needs about 10 minutes to wake up and get ready to wear clothes. If the painless abortion procedure does not go well, such as anesthesia process appears too deep anesthesia, respiratory arrest. If there is any abnormal uterine position, difficulty in dilating the uterus, larger month or abnormal position of the pregnancy sac, such as difficulty in removing it at the angle of the uterus, as well as various abnormalities such as perforation of the uterus, poor uterine contraction, and heavy bleeding, the operation time is not easy to be determined, and it needs to be based on the salvage situation. In order to minimize the risks that may occur during the procedure, the patient must undergo the appropriate examinations before the operation, and fast and water for 4-6 hours before the operation.