The article describes how a dog can be integrated into a psychotherapeutic process. Dogs react to momentary moods and functional abilities of patients and therapists and help shape an emerging "scene" according to their assessment if they are free to express themselves and are not reduced to a function.The therapist can verbalize the patient's way of shaping the interactions and use it to promote the ability tomentalize. Central therapeutic techniques are "reflective seeing", reflection on the scene and the therapist's attitude. After the general description of the concept, the special features of therapy with children and their caregivers are presented.