Nurses are the staff who take care of, nurse and educate babies aged 0-3. In addition to basic life care, the baby nurse also needs to "choose common disinfectants according to the baby's needs", "correctly record the baby's growth curve and use the growth monitoring chart", and can also make personalized teaching plans according to the baby's development level, select and design game activities, exercise the baby's abilities of big movements, fine movements, cognition, language and social communication, and complete the educational tasks of the baby's motor skills training, intellectual development, social behavior and personality cultivation. Nurses' main duty is to educate people, which is different from nannies and nurses. After several standard hours of training, it is necessary to fully master the professional knowledge of physical and mental growth and development of infants aged 0-3, master the words and deeds, ways of thinking and emotional styles of infants of different ages, know how to get along with and communicate with infants, and develop their potential in time. Can keep the room clean, and regularly disinfect baby bedding, tableware, toys and furniture. Can clean the baby's eyes, external auditory canal, mouth, armpits, vulva, can give the baby a shampoo and bath. The environment of the baby's living room requires cleaning and disinfection methods for bedding, tableware, toys and furniture. Personal hygiene knowledge of babies. Can create suitable sleeping conditions, such as temperature, light, sound, ventilation, bedding, etc. , can correctly wrap the baby, can undress the baby (training), can clean the baby after defecation, can give the baby water bath, sunbathing and air bath, the sleeping time of the baby at different ages, the rules and characteristics of normal defecation, the methods and benefits of three-bath exercise, and the selection, use and replacement of diapers.