O.Henryisoneofthegreatestshortstorywritersintheworld.Hiswritingstyleisappreciatedbymanypeople,especiallyforatwistplotandthesurprisingending.Inlanguage,O.Henryusesmanyrhetorictacticstoachievetheeffectofmakingthestoriesmorevividandmorehumorous,suchasexaggeration,metaphor,simileandsoon.O.Henryalwayssympathizeswiththepoor,criticizesandsatirizesthecapitalists.Thecharactersinhisshortstoriesareoftenthecommoninsignificantpeoplewhohavethevaluablehumanity.O.Henryandhisuniquewritingstyleinfluencemanyfollowingwriters.