Based on the survey data of 1018 overseas students'satisfaction with the quality of doctoral education,regression analysis was used to study the relationship between the individual quality of doctoral students,the quality of doctoral training units,the quality of doctoral dissertation and the quality of doctoral career development and the overall satisfaction.The results show that individual quality satisfaction and training unit quality satisfaction have greater positive predictive effects on overall satisfaction,while dissertation quality satisfaction and career development quality satisfaction have smaller positive predictive effects on overall satisfaction.The average results show that degree thesis quality satisfaction is the highest,individual quality satisfaction is the lowest.Combining the mean score and regression analysis results,it is found that individual quality satisfaction is a variable with a lower mean score and a greater impact on the overall satisfaction.In order to improve the quality of doctoral education,doctoral training institutions can take measures such as strengthening individual ability training,optimizing training mode and strengthening the construction of educational management team.