Abstract: Positive psychology sprung up in American is an important psychological strength in the end of last century, which is also an active field in psychological stage. Some people thought that positive psychology is a kind of psychological revolution or a paradigm shift. This article analyzed the relations between positive psychology and traditional mainstream psychology, humanistic psychology, and also revised the characters of psychological revolution and non-revolution. We made the decision that positive psychology wasn’t a psychological revolution and it didn’t take the paradigm shift

Key words: western positive psychology, western traditional mainstream psychology, humanistic psychology, psychological revolution