Background: Nowadays we are facing significant advances in technology. Virtual reality, which is considered as one of these novel technologies, has been entered into many different areas of our lives, from video games to various industrial uses as well as education, travel, healthcare, entertainment and research. Despite the benefits of virtual reality, the attitudes of patients toward using it are still unclear. Therefore, the aim of this study was to design a questionnaire to assess accepting virtual reality technology among patients with mental disorders. Methods: This design and evaluation of tools study was conducted in two phases including design of the questionnaire and evaluating its validity and reliability in 1400. In this study, CVR and CVI coefficients were used to evaluate the content validity and its external reliability was determined using Cronbach's alpha method. Results: In the current study, the content validity index was calculated to be 0. 8, which is an acceptable value for this questionnaire. Also, Cronbach's alpha was calculated to be 0. 7 and the correlation between the questions shown to be acceptable at a significant level of 0. 0001 Conclusions: According to the results, it was found that the questionnaire has high validity and reliability to assess the acceptance of virtual reality technology among patients with mental disorders.