We know that responsibility is a personality trait or a behavioral discipline like any other human characteristics can be affected by heredity and environment. The share of these two factors in this feature formation is unknown to us but, its presence and their relation is obvious for us. In connection with the formation of characteristics or personality traits, various theories have been proposed. Glaser introduces responsibility as person’s ability to supply his/her needs; it is done in such a way that it also does not exclude others from satisfying their needs. The therapists consider responsibility to be equal to mental health. In fact, reality therapy is a proposed fundamental theoretical approach by theory of choice. Reality therapy is a path for the therapists to help the clients, to satisfy their need completely, have more effective behaviors and to achieve growth by behavior. Based on choice theory, satisfying needs and behaviors are inter-related. All behaviors are guided internally to satisfy our five basic needs. Glaser believes that we all do what we choose and he explains this matter through the concept of overall behavior. Overall behavior consists of four separate parts: doing, thinking, feeling and physiology. A person cannot change his/her feelings or physiology directly. But, he/she can control two parts of doing and thinking directly. Change in any of these four components can be effective on whole behavior system but, the easiest components to change are doing and thinking. In choice theory and reality therapy, an example of baggage is being used to clarify overall behavior; the handle of baggage is like person’s doing and the rest parts of the baggage is like thoughts, feelings and physiology of the individual. When someone changes his/her behavior the rest of his/her behavior change correspondingly. Research conducted in the field of choice theory show effects of this approach on variables such as increasing of responsibility, Improving emotional disorders. Considering the mentioned items in this research, we are going to survey that whether training of reality therapy based on choice theory effects on increasing prisoners’ responsibility?