<正>While I was studying some of Mark Twain’s representative short stories and novels I got deep inclination to follow the general themes which he chose to develop his own subjects in his literary works. In generalizing his major themes I can not avoid the overlap of one theme and another. But simply for the convenience of understanding his wide range of literary themes I’dlike to divide them largely into five categories. Mark Twain is the major novelist of the era of realism along with James and Howells.Earlier writers as Hawthorne and Melville of the era of American Renaissance in New England had turened towards the world of nature and had emphasized the abstract universality of their themes. But the realists were determined to write novels, standing firm-