Most preschoolers begin to be curious about food and develop eating habits with their own needs and preferences. Parents need to ensure that their preschoolers are getting the right nutrition, including healthy snacks and meals.

Activities such as playing, learning... can all be applied to help 4-year-old children have many opportunities to develop. Therefore, parents need to be ready to learn with their children the best skills and knowledge to help them develop more comprehensively in the future. To do this, parents must understand the important developmental milestones of children, especially children aged 4.