This paper believes visual rhetoric in political communication evolves in newspaper, TV and new media eras: in newspaper era, political visual rhetorics are subsidiaries of verbal rhetoric; in TV era, visualized political persuasion becomes mainstream, and verbal rhetoric retreats secondly; in new media era, political communication exhibits carnival visual disenchantment; the future of visual rhetoric and verbal rhetoric will no longer to be binary opposition of "sensibility" and "rationality", but demonstrate the trend of comprehensive convergence.