1. Estimation of surgical risks Surgery is not only a treatment measure, but also a traumatic process. Therefore, anesthesia risks should be fully assessed before surgery to ensure surgical safety. 2. Psychological preparation Almost all expectant mothers and family members will have obvious psychological changes before surgery. This is because obstetric surgery often causes sudden onset of maternal illness, severe pain, and many complications, which can cause patients to have a strong sense of life and death, fear, and uneasiness. According to surveys, 60% of patients have doubts about surgery before surgery; more than 50%