This chapter discusses various therapies used to treat psychological disorders. It covers the history and key concepts of psychoanalysis, humanistic therapies like client-centered therapy, behavior therapies such as systematic desensitization and exposure therapy, cognitive therapies, and group/family therapies. It also examines biomedical therapies including psychopharmacology, electroconvulsive therapy, and psychosurgery. The chapter concludes by looking at how therapists are trained and the mind-body interaction in psychological disorders and their treatment.