Generally speaking, the 42-day postpartum examination is the same as the prenatal examination. After being accepted by the doctor, the parturient needs to do the following examinations: 1. Check the birth canal or abdominal wound: understand the cervical condition, check whether lochia is discharged, and check the wound healing if it is cesarean section or lateral incision. 2. Blood routine and urine routine examination: especially for mothers with anemia during pregnancy and postpartum hemorrhage, blood routine must be checked and anemia should be treated in time; If the mother suffers from heart disease, hepatitis, urinary system infection or other complications, she should go to the internal medicine department or relevant departments for further examination and treatment. 3. Abdominal color Doppler ultrasound examination: evaluation of uterine involution. 4.TCT+ human papillomavirus detection: If postpartum mothers do not do TCT and human papillomavirus detection before pregnancy, they can do it after childbirth to detect whether it is possible to cause cervical lesions and cervical cancer virus infection.