The authors discuss their experience with group psychotherapy of children within the public health system and community services spanning the last fifteen years. They specify treatment indications, regarding heterogeneity of diagnoses among other criteria, and outline their model of group work. Anxieties pertaining to group implementation, the group as an object, group illusion, the elaboration of differences, non saturation of meaning, excitation and the parental support group will be discussed and illustrated with clinical cases.