Objective: This study aimed to examine psychometric properties of the assessment of marital quality questionnaire for Uygur and Han married people in Xin Jiang. Methods: 449 Han and 447 Uygur participants were assessed by using the version of Simplified Chinese marital quality questionnaire . Results: Both exploratory and confirmatory factor analyses showed that the structure validity of the measure was reliable(CFI=0.98,IFI=0.98,RMSEA=0.03;Its CR rangs from 0.77 to 0.83, and its AVE ranges from 0.40 to 0.52); the marriage quality of Uygur Group is significantly higher than that of Han nationality, which was mainly observed in emotional experience. Conclusion: The Simplified Chinese Marital Quality Questionnaire (Mandarin version and Uyghur version) has good reliability and validity in Xinjiang Uyghur and Han