The main function:
1. The baby's head, neck and limbs can move freely, and the breast skin of baby boys/girls can be replaced
2. Infant head vein puncture
3. Infant umbilical cord vein puncture
4. Baby nose and mouth intubation care
5. Stomach lavage, enema, catheterization care
6. Fistula drainage
7. Deltoid muscle and hip intramuscular injection
8. Overall care: bathing, breastfeeding, changing clothes, changing diapers