The research topics of doctoral dissertation on the May Fourth Movement in the united states had undergone the process of changes from carding historical fact on the May Fourth Movement to focusing on the ideology development of intellectuals and concerning about the social organizations;At the same time

these doctoral dissertations on the May Fourth Movement research had many features in the united states

such as the contents mostly focused on the ideology development of intellectuals

research approach had some obvious paradigm shift

a strong sense of issues based on concerning for the reality

research of subjects were mostly Chinese scholars.These doctoral dissertation on the May Fourth Movement that based on the unique of perspectives

theoretical approaches and values

which had an important impact in the academic community and led to new thinking on the May Fourth Movement;Meanwhile

they had provided useful lessons for the further study of the May Fourth Movement.