The precautions for second-born caesarean section are related to the development of the fetus and the physical condition of the pregnant woman, and can be divided into two aspects: prenatal preparation and postnatal care, which require more attention to details. Before the cesarean section: 1, perfect examination: according to medical advice before the cesarean section ultrasound examination to determine whether the fetal placenta is mature, whether there is a fetal malposition, and whether the fetal heart, placenta position is normal. A comprehensive examination should also be done to assess the risk of surgery, verify whether the pregnant woman has indications for caesarean section, and also to sign for the surgery; 2. diet: fasting is recommended 6-8 hours before the surgery, otherwise the pregnant woman may not be able to react normally even if she vomits due to the effect of anesthesia, which may result in the consequences of respiratory asphyxia; 3. daily life: the pregnant woman needs to pay attention to mental relaxation and keep calm mood, avoid excessive tension. At the same time, pay attention to rest and avoid overexertion or strenuous activities. After caesarean section: 1, postoperative care: 6 hours after anesthesia, you can slowly bend your legs and move your upper limbs, and after exhaustion, you can get out of bed to promote intestinal peristalsis; after surgery, you can take a shower according to the wound healing, pay attention to warmth and avoid getting cold, and pay attention to vulva cleanliness and hygiene to reduce bacterial infection; 2, diet: 6 hours after surgery, you can eat liquid food such as rice soup and noodle soup, and pay attention not to eat food with high sugar content or starchy food, so as not to cause bacterial infection. or starchy food, so as not to cause intestinal flatulence; 3, wound care: after delivery, you need to keep the wound clean and dry, pay attention to whether the wound has bleeding, inflammation and redness, understand the wound healing situation, and ask the doctor in time if you find any problems.