The chapter explores the nutritional needs of children at various developmental stages, emphasizing the importance of balanced meals and proper dietary practices for their growth and health. It highlights the critical role of breastfeeding during infancy, introduces guidelines for complementary feeding, discusses the issues of malnutrition and dietary deficiencies, and stresses the significance of immunization. Additionally, it outlines the nutritional requirements for preschool and school-age children, including dietary planning strategies to foster healthy eating habits.