Objectives:The present study aimed to translate and determine the psychometric properties of the Persian version of the Compassionate Care Assessment Tool(CCAT)?.Methods:The study was carried out to translate and validate of the CCAT?.After securing permission from the designer of the tool and translating it,the psychometric properties were determined through examining face validity,construct validity,internal consistency,and test/retest reliability.With regard to construct validity,confirmatory factor analysis was used so that 300 patients in internal and surgery wards were selected by a simple random sampling method from three hospitals.Data were analyzed using SPSS(v.24.0)and LISREL statistical software version 8.8.Results:The results of the confirmatory factor analysis supported the validity and reliability of the Persian version of the CCAT? and its four factors.The reliability of the tool and internal consistency were confirmed through test/retest method with two weeks'interval.At the two areas of importance and provision of compassionate care,Cronbach's a coefficient equaled to 0.918 and 0.933 and intraclass consistency equaled to 0.848 and 0.907 respectively.Conclusion:The results showed that the Persian version of the CCAT? was adequately valid and reliable for Iranian patients.Given the acceptable psychometric parameters of the tool,using it in future studies to measure importance and provision of compassionate nursing care to Iranian patients at internal and surgery wards is recommended.