杜甫是我国唐代的伟大诗人，其诗从内容到形式都对我国诗歌产生过重要影响。本文较多地将笔墨用在杜诗的政治作用和思想意识对唐宋时期的社会影响方面，认为杜诗经过了最初不被人重视到后来受到重视乃至被统治阶级利用的历史过程。 Du Fu was a great poet in the Tang Dynasty in China. His poem had an important influence on Chinese poetry from content to form. This article uses ink and calligraphy more in the political function of Du Fu’s poetry and the social influence of ideology on the Tang and Song dynasties. He thinks that Du Fu passed through the historical process which was not valued by people at first and then taken seriously or even used by the ruling class.