杜甫关注国家与社会,杜诗又以好议论著称。他的议论往往涉及军国大政,以及时局的变化与发展。特别是他始终以深切的忧患意识,预想未来,敏感前瞻,对时局的预感也常常发之于诗,从而引起后世史家的重视。虽未形成对杜甫研究的主流,但不绝如缕,影响到杜甫思想与性格乃及人格的把握,因而有必要澄清是非, Du Fu concerned about the country and society, Du Fu is well talked about. His argument often involves the great cause of the military power and the change and development of the current situation. In particular, he has always given his deep sense of anxiety and anticipation of the future. His sensitive foresight and his anticipation of the current situation have also often been put on poetry, arousing the attention of later historians. Although it has not formed the mainstream of Du Fu’s study, it has not changed a lot and affects Du Fu’s thoughts and personality as well as his personality. Therefore, it is necessary to clarify right and wrong,