Postnatal review needs to bring the child, usually about 42 days after delivery, most hospitals will require the mother and the baby at the same time to return to the hospital for examination. Postpartum review with a child doctor can better grasp the maternal recovery and the baby’s physical condition, so as to be able to develop a more scientific and reasonable postpartum recovery plan: First, postpartum review is mainly based on the mother, including the whole body system check and specialty checks in two cases: 1, the whole body system check: including blood pressure, pulse, blood routine and other related checks, if the mother combined with the relevant internal diseases, such as hypertension, diabetes, etc., also need to do the relevant review; 2, specialty checks: check the maternal and baby at the same time to check the relevant review; 2, the specialty checks: check the maternal and baby at the same time. If the mother has any combination of internal diseases, such as hypertension, diabetes, etc., the relevant review should be done at the same time; 2. Specialized examination: check the mother’s uterus, vagina, and other reproductive systems, to assess whether the uterus, breasts, etc. are restored to the pre-pregnancy state, and to exclude other diseases during the puerperal period. Second, through the physical examination of the baby, to understand whether the baby’s development indicators are normal or not, there are the following kinds of examination: 1) measuring length, weight, head circumference, etc.; 2) checking for jaundice; 3) auscultation of the heart and lungs, and touching the internal organs such as liver and spleen on the surface of the body; 4) understanding of muscle, lifting up of the head, eyes, ears growth and development, as well as hearing screening and so on.