A comprehensive introduction to childcare and health care knowledge. Children in small classes in kindergarten are in the process of gradually adapting to the learning and living environment. How to make them grow healthier and happier in the next growth process? The following will introduce the knowledge of childcare and health care in small classes from four aspects. Diet Regarding food, children have unique dietary preferences and tastes, especially their love for sweets, so parents should follow the following dietary principles: 1.