The key points of infant health care are: ① reasonable feeding, breastfeeding for at least 4 ~ 6 months, and gradually adding complementary food after 4 months. Prepare for weaning. ② Vaccination: Five kinds of vaccines were inoculated in infancy to prevent seven kinds of infectious diseases. ③ Early education: cultivate good living habits and promote the development of perception and psychological activities. ④ Regular physical examination: monitoring various indicators of physical growth and development. Thermal insulation is no longer the focus of infant health care.