Pre-operative: 1. The doctor must diagnose intrauterine pregnancy by HCG and ultrasound before the operation. 2.Persons with previous heart, lung, liver or kidney diseases must inform the doctor, who will judge whether they are suitable for painless abortion. 3. Avoid sexual intercourse and actively treat vaginal inflammation and cold before the operation. 4.It is better to take a bath and change clothes before the operation. 5, 2 hours before the operation to prohibit eating, drinking water. After the operation: 1.After the painless abortion, you should observe for 30 minutes, pay attention to the vaginal bleeding and abdominal pain, if there is no reaction, you can go home. 2, painless abortion need to rest for 2 weeks, and prevent cold and flu, eat more nutritious food, so that the body as soon as possible to restore normal. 3, in a period of time after painless abortion, the trauma on the endometrium has not yet recovered, the cervical opening is relaxed, the original mucus plug (which has the effect of preventing bacteria from entering the official cavity) in the cervix has been removed, and the new mucus plug has not yet formed, at this time, if you do not pay attention to hygiene, the bacteria in the vagina will easily enter the cavity and cause infection. Therefore, it is necessary to pay more attention to the hygiene of vulva after abortion, wash with warm water 1-2 times a day, change sanitary napkin regularly, forbid to take a sitz bath within 2 weeks or if the vaginal bleeding is not clean, and forbid to have sex within a month to prevent reproductive organ infection. 4. It is normal to have a small amount of vaginal bleeding within 3 to 10 days after painless abortion, if you still bleed after 10 days, come to the hospital in time. 5.If you have severe abdominal pain, fever, or vaginal bleeding beyond menstruation after the operation, come to the hospital immediately. 6. Generally, menstruation will come about one month after surgery. Come to the hospital for follow-up 2 weeks after surgery. Sexual intercourse should be prohibited for 1 month after surgery to avoid infection of gynecological inflammation! After surgery, you should pay attention to more rest, eat less spicy and stimulating food, you can eat more fresh fruits!