Aim: Factor structure, Concurrent validity and reliability of Thought control Questionnaire (TCQ) and Anxious Thought Inventory (An TI) were examined in this study.Method: After translation and back translation of TCQ and An TI, 767 students completed Beck Depression Inventory-II (BDI-II), Beck Anxiety Inventory (BAI), General Health Questionnaire (GHQ) and TCQ and An TI; 528 of them completed TCQ and An TI again 14 days later.Results: Principal components factor analysis of TCQ revealed five factors named "Distraction", "Worry", "Social control", "Punishment" and "reappraisal". Distraction was negatively associated with Depression, anxiety, physical symptoms and problems in interpersonal relationships. Punishment and worry subscales related positively with BDI-II, BAI and all scales of GHQ. Factor analysis of An TI showed three factor solution named "meta-worry", "health worry" and "social worry". All of subscale of An TI are positively and significantly associated with Depression, Anxiety, physical symptoms and problems in interpersonal relationships. The Factor solution was almost identical with original scale. Internal consistency and test-retest reliability of both of TCQ and AnTI was satisfactory and sufficient.Conclusion: These results provide promising evidences about utility of Persian version of TCQ and An TI in Iranian population. However, further research is required to assess psychometric properties of TCQ and An TI among Iranian patients with Depression and Anxiety disorders.