Yuan Haowen,an important successor of realistic poetry in Jin and Yuan dynasties,was good at poetry creation and commentary.This thesis aims to probe into and analyze his poetic theories from the following two aspects：his creation theories and poetic style.The former puts stress on Yuan’s two basic requirements concerning poetry creation,namely,faithfulness and elegance.The latter includes his worship to grand and heroic style,his emphasis on fresh and natural style and his proposition that poems should be concise and implicit rather than extravagant.