This article makes an essential summary and comment on the theories of social structure from two aspects.(1)Indicating the conception of social structure and its accumulating development through reviewing the main structural ideas among the kinds of sociological schools.(2)Putting forwards the differentiation and tends of three structural theories by commenting and inducing.The paper's conclusion is that with the theoretical path of structure\|functionalism,structuralism and post\|structuralism,structure himself has gone through the process from construct to deconstruct.In other words,the three theories' development has indicated the translation which structural conception is from macro to micro,from object(structure determination)to subject(personality determine)and then to disappearing.This theoretical tend is one of basic factors leading to Structural theory's explaining power declined.