The 42-day baby goes back to review the program for physical development, nutritional status and other aspects, the cost is generally between 50 to 200 yuan, the specific price is affected by regional differences, inspection items and other factors. The pediatric insurance examination includes physical development, nutritional status and other aspects. Physical examination includes length, weight and head circumference to see if the development meets the normal standard. Nutritional status is checked for calcium deficiency, iron deficiency anemia, and other aspects, as well as neurological reflexes such as the cuddle reflex. There are also neural reflexes such as the cuddle reflex. In addition, it is necessary to observe whether the baby is able to look at people, and there is also a hearing screening test. It is recommended that the specific costs should be consulted in detail at the hospital and the baby should be rechecked at the prescribed time.