Abstract
Theory, insitution, and practise, which bridge politics with ideology,are medias by which the interact between politics and ideology can be carrying on. As we know,there is a so closly relationship between ideology and politics that we would be identy the practise of ideology with politics. This thesis, Therefore, try toinquiring the polital ideology not just based on the dimension of pure theory itself but on the dimensions of theory,insitution and practise,and also the inreactions of them.It is to say that, as ideology, politics,i.e. political ideology, have three forms of expression which including ideology of political theory, of political insitution, and of political practise.