1997year was a significant and decisive role in time, this study will use 1997year as a turning point, to analyze Stephen Chow's film. Due to the study of the heat limit, there is little research on the works after 1997year. So this study is very necessary. This study will be from those parts: 1) Before 1997year, Stephen Chow's comedy style features 2) After 1997 year how did Stephen Chow's comedy style change 3) The reasons for the transformation of Stephen Chow’s film and why he got the success of the transition.