Jiang attaches great importance to the Party’s solidarity.This paper briefly discusses the aspects of Jiang Zemin’s ideological points of views about the unity of the party,including the meaning of Party’s unity,the factors affecting the Party’s unity and strengthening the Party’s building and so on.Meanwhile,it combines the reality of Party building at our Party’s ninety years,and it also points out the necessity and importance of further study,research and practice.