The theme of this final work is related to externalized and internalized problems in the behavior of children. The aim is to briefly define the appearance of behavioral disorder, to clarify the concept of prevention within the same, to describe the concept of protective and risk factors, to point out the importance of inclusion of kindergartens and families in the development of a quality and healthy environment for growing up and on their role as a protective factor in prevention od development of behavioral disorders. Children may manifest various forms of behavioral disorders. Although adults mainly focus on what they see outside, externalized problems, they must also pay attention to those who are internal. Despite the fact that externalized problems are first being noticed because children who manifest those tend to show emotion, one should not neglect internalized problems that are equally serious and detrimental for normal functioning of children. In order to prevent the occurrence and development of these, it is very important to work on strengthening of the protective factors, and on reducing of the risk factors. The concept of behavioral disorders refers to different forms of child or juvenile response that are not in line with age, situation, or environment expectations. They require additional broad or proffessional social assistance.