The paper talks about marital divorce that has increased significantly in the last decades, and how divorce affects the mental health of children or adolescents. Recently, there are more divorced than married marriages, and most marriages being divorced have at least one child. The appearance of mental disorders is increasing with children and adolescents and represents a major challenge for public health protection. Mental health problems are numerous and include the occurrence of depression, intellectual disability, risk behavior, etc. The feeling of closeness and family affiliation strengthens family relationships. Children from divorced families have worse school success, behavioral problems and lack of social competence (Amato, 2000). Some other researches show low self-esteem among children and adolescents as one of the most common findings of the short-term consequences of divorce (Lacković-Grgin, , 2005.) In some studies, there is no effects of divorce have been established, and it is still an open question in the literature to what ascribe the issues: to that the divorce itself or the unfavorable experiences that children experienced in the family before the divorce. At the end of work the role of a social worker is considered in the mitigating the consequences of divorce on adolescent.