The 42-day postpartum examination mainly includes the following points: 1. basic examination: 1. basic examination includes weight, blood pressure, blood routine, urine routine, bone density examination, etc., due to the maternal puerperium, the maternal eating a lot of supplements and breastfeeding, will cause changes in maternal habits, to prevent high blood sugar and high blood pressure, calcium loss caused by a large number of osteoporosis; 2. 3.Breast examination, ask whether breastfeeding is smooth, whether there is breast swelling and pain, to avoid breast inflammation and affect the quality of breastfeeding; 2.Mother in normal delivery: 1.Check the contraction of the mother’s uterus, ask the time of clean malignant dew after delivery, whether there is abnormal discharge in the vagina, check whether the endometrium is damaged; 2.Check the recovery of the muscles and nerves of the pelvic floor of the mother to avoid vaginal relaxation Check the recovery of postpartum wounds to avoid gynecological diseases due to poor recovery, which may affect the digestive system and urinary system; Check the newborn: 1. 2. Jaundice testing for newborns to avoid misdiagnosis of neonatal jaundice or breast milk jaundice which may delay the condition and treatment.