Background: To provide a reference for foreign aid workers by identifying the mental health status of Overseas Chinese resident in Laos and the influencing factors. Methods :Convenience sampling method was used to select the 414 Overseas Chinese in Laos from April 10 to May 10 in 2020. The mental health status was assessed by using PHQ-9 and GAD-7 scales, and the influencing factors were analyzed. Results :The prevalence of anxiety and depression among overseas Chinese in Laos was 28.5% and

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... %. Factors influencing anxiety and depression included family members' attitudes towards their departure abroad, financial aid subsidies, living standards in Laos, and Laotian food. Conclusion :Degrees of anxiety and depressive were varying among Overseas Chinese in Laos. Depression was highly correlated with anxiety, and the influencing factors of anxiety and depression were different. Foreign aid workers should pay attention to the mental health of the Overseas Chinese in Laos and the influencing factors.