The aim of this study was to predict marital boredom based on thinking styles and personality traits in married students of Roodehen Azad University. The statistical population of this study consisted of all students of Roodehen Azad University who are studying. The sample size was determined based on the Cochran's formula; The sample studied in this study were 400 students (160 males and 240 females) who were selected by descriptive-correlation method. To collect data, three questionnaires were used: Neomac Kerry and Costa Personality Questionnaire (1985), Paynes Marital Boredom Scale (1996) and Sternberg-Wagner (1992) Thinking Styles Questionnaire, and multiple regression test was used to analyze the data. شد. The results showed that marital boredom can be predicted based on thinking styles (executive, legislative, judicial) in married students of Roodehen Azad University. Marital boredom can be predicted based on personality traits (extraversion, neuroticism, openness to experience, acceptability and conscientiousness in married students of Roodehen Azad University.