At a time of rapid social processes are increasingly frequent cases ofbullying among young people and the harmful effects arising from behavioralproblems. According to the DSM-IV classification, under behavioral problems(conduct) according to repeated and continuous pattern of behavior which haveviolated the fundamental rights of others, the more important social norms or rulesare appropriate age. As the basic criteria for the recognition of the existence ofbehavioral problems impose a derogation, the danger and the need for intervention,and therefore behavioral problems of children and young people make all thebehaviors that a child or young person interfere in the normal functioning but can beharmful and dangerous to the individual that and its environment. There is also alegitimate concern that adolescents entering the risky behaviors impair their furtherpsychosocial development, therefore it is necessary to promptly begin with thevarious preventive actions in order to orient young people towards positive socialvalues. Group work is aimed at the active participation of members, meet and createa group identity, a sense of belonging to the group cohesion, spotting theirdifferences and similarities, learning individual needs within the community withoutconflict, pointing to the need to accept the rules and norms of society, learningappropriate behaviors in conflict situations, tolerance and mutual cooperation.