Introduction:Motivation for promotion comes when an individual choices the criterion of excellence in his activity. Every person chooses different problem solving styles some of which are constructive and lead to individual development, yet some are unorganized and prevent a person from progressing. The purpose of this study was to investigate the relationship between progressive motivation and problem-solving styles in Dezful medical students. Methods: This descriptive-analytic study was carried out on 120 students of Dezful University of Medical Sciences. A simple random sampling method was used. The data gathering tools were Hermann's standard development motive (T.M.A) and PSI-style questionnaire (PSS) of Cassidy-Wolong whose validity and reliability were confirmed in various studies. Results: The participants were 120 students with an average age of 21.21 ± 1. The average students' achievement motivation score was very high. There was a relationship between the motivation of progress and the constructive styles of problem solving (creativity, trust, and tendency). Conclusion:This study concluded that there is a relationship between the motivation for progress and the constructive styles of problem solving (creativity, trust, and tendency). The motivation for advancement and creativity to solve problems can be strengthened from an early age with the training workshops, creative ways of dealing with later issues for individuals.