This manual presents the science of behavior created by Russian scientists I.M. Sechenov, I.P. Pavlov, A.A. Ukhtomsky, L.S. Vygotsky, A.R. Luria, P.K. Anokhin and others ., in applying it to the goals and objectives of psychotherapy. The book presents: the structure of behavior (at all its levels - from bodily to social), mental mechanisms, the principles of psychotherapeutic diagnostics, the richest arsenal of psychotherapeutic techniques (exercises, methods, etc.), as well as the organization of psychotherapeutic assistance.The Guide to Systemic Behavioral Psychotherapy was prepared by practicing psychotherapists A.V.Kurpatov and G.G.Averyanov. The work was carried out on the basis of the Clinic of Psychiatry of the Military Medical Academy, the Clinic of Neurosis. IP Pavlov, Medical Academy of Postgraduate Education, City Psychotherapeutic Center and Psychotherapy Clinic (St. Petersburg). Based on the materials of these studies, the authors have already published more than forty scientific papers, this complete practical guide is published for the first time.