Discussion of this final is about the role of proper nutrition as prevention of obesity for children in preschool age. For proper child development, it is necessary to enable optimal conditions for growth and development from early childhood. For optimal conditions of healthy child develpoment it is important that conditions are provided to the child not only from his family but also from preschool institutions as kindergartens. Proper nutrition is the main subject of this final and it allows proper child development, child health and growing up in a self-conscious person. This final presents all the characteristics that make a proper diet as a whole. It emphasize the importance of proper nutrition in child life from birth to avoid possible occurrence of obesity and to prevent its continuation into adulthood. Today in our community it can be seen the increasing number of obese children, so it is important that we are familiar with the characteristics of proper nutrition and in case of obesity we are aware of the symptoms and react in correct time. In essence, this paper discusses the proper nutrition from the very basic food ingredients, which are important for proper child growth and development. The focus is on the theoretical concept of research and it doesn't engage research of preschool institutions. The work is divided into several sections. The introduction briefly describes the general proper nutrition and its guidelines, which hereafter becomes more closely described by the proper choice of basic food ingredients. The second part is describing child diet from birth until he starts school, to which are related standards and norms indicated with the example of weekly menu in kindergarten. In the third part focus is on obesity. The text is accompanied with photographs from websites.