The objective of the current research was to evaluate the relationship between mindfulness and perfectionism and obsessive thoughts in psychology students of Islamic Azad University of Karaj. This research is considered as correlational type of study. The sample of research included 100 psychology students of Islamic Azad University, selected by random cluster sampling method. The research tools included Trigoret Perfectionism Scale, Obsessive Belief Questionnaire (OBQ), and Five-Facet Mindfulness Questionnaire (FFMQ). In the analysis of data, Pearson correlation (regression analysis) was used to evaluate the relationship among the scores of the subjects (Mindfulness, Perfectionism, and Obsessive Thoughts Test). Research findings suggest a significant and positive relationship between obsessive belief and perfectionism (P <0.01). In addition, significant and positive relationship was found between the mindfulness and obsessive belief (P <0.01) and a positive and significant relationship was found between mindfulness and perfectionism and obsessive beliefs (P <0.01).
