Nanny, also called domestic servant. With the development of this industry, domestic servants have to undergo professional training before they can take up their posts. The specific training subjects are 1 infant care, 2 elderly care, 3 household cleaning, 4 washing and ironing, 5 daily cooking, 6 professional ethics, 7 common sense of life, 8 common sense of environmental protection and 9 use of household appliances. Nannies were "domestic servants", "maids" and "housekeepers" in the old society.

Nurses are people who take care of children's lives in kindergartens or nurseries. Nurses play a variety of roles in the development of children, such as caregivers and educators, and have a profound impact on children's physical and mental health, behavior habits, personality, emotions and so on. Nature of work: a person who assists teachers in infant health care, nursing and education in primary schools, kindergartens, social welfare institutions and other conservation institutions.