Positive interventions, which focus on the positive aspects and strengths of people, are relatively new types of interventions in psychology. The purpose of this research is to make a positive impression of psychotherapy on psychological welfare of students of Payame Noor University in Dezful. Therefore, about 28 students were selected and assigned in control and experimental groups by random replacement. Instrument riffs and hypotheses were studied by covariance analysis study extraversion. The research hypothesises have been studied by using covariance analysis. The results showed that positive psychotherapy training on self-acceptance and positive relations with other students is meaningfully effective.