There is no optimal time for abortion in scar pregnancy and it needs to be treated as soon as it is detected. It is only for operational feasibility that ultrasound-guided clearance surgery is recommended in the first 9 weeks of pregnancy. Scar pregnancy is relatively rare in clinical practice, and the surgical risk is relatively high, which will have a greater impact on the health of the pregnant woman, and she should choose a standardized and surgically qualified hospital for treatment. The following are precautions to be taken after scar pregnancy surgery: 1. Pay attention to rest: take more bed rest, maintain sufficient sleep time, and avoid heavy physical labor to avoid affecting post-operative recovery; 2. Pay attention to nutritional supplements: patients are advised to eat more nutritious foods, such as chicken, eggs, milk and lean meat, which can both increase nutrition and help the body recover. In addition, patients can also eat more food containing vitamins, which can promote the healing of the injured parts; 3, to prevent bleeding: 1 month after surgery, pay attention to strengthen physical health care, regular life, prohibit intercourse, to avoid infection; 4, postoperative attention to cleanliness and hygiene: it is recommended that patients wash the vulva every day with warm water, keep the local area clean, and diligently change clothes and pants.