In this paper, the authors were researching on expression of posttraumatic stress disorder symptoms and on effect of psychosocial help to children. Existence, time of appearing, way of going through experience and expression of PTSD symptoms were established. There were methodical used structured interviews, Questionnaire for children (Saigh, 1991) and Estimation scale for engagement of children in group work. Refugee and domicile children of age from 7 to 11 years and from 12 to 16 years old were involved in program of psychosocial care. In this research there were more significant the girls than the boys (p < 0.005). Applied therapy methods have given significant effect in increasing of willing to take part in the dialogue (p < 0.005), in increasing of interest to work in group (p < 0.005) and bigger contribute each one within group (p < 0.005). By that, it is being confirmed that the effect of methodical procedure and therapy treatment at children is successful and applicable in future activities.