[Individual psychotherapy. Institutional approach].

In traditional psychiatric institutions, illness tends to become chronic: several psychiatric schools try to present this. One of them refers to institutional psychotherapy, which will vary according to the patient's pathology, the therapist's objectives, the structure of the institution and the patient's and therapist's ideology. The author describes a phenomenological-existential approach as opposed to the psychoanalytic approach, and classifies the types of therapy he applies in the institutional setting.