Wang's Portrait of Du Fu reflects Du Fu's patriotic thoughts and unfortunate experiences. Huang's poems also came out of suffering, and in these aspects, they all have related spiritual fit.
Another reason, mainly in poetry. Du Fu's poems pay attention to words. "The language is not amazing." He has made great efforts to cut sentences and refine words, and his meaning is refined. Huang Tingjian admired Du Fu. He did not learn realistic creative methods, but mainly paid attention to skills. "Lao Du writes poetry without a word or a place", in order to have a strict attitude towards poetry. In addition to meter, Du Fu's poems also contain allusions and parallel styles. Although there is also a theory that "its prosperity is lofty and attached to the national wind; Its cynicism and morbidness are attached to the thought of Chu Ci, but it emphasizes the formal skills of poetry. Therefore, at the bottom, there is a bad tendency of formalism.