Du Fu's poetry lies in his content, and he cares about the world, the country and the people. Looking at his early and late poems, we can reflect the process of Tang poetry from prosperity to decline. In addition, Du Fu's poems are well rhymed, catchy and easy to understand, so they are widely read. Moreover, Du Fu's poems not only describe the upper class, but also describe the sufferings of the world, so this quality of worrying about the country and the people is worth learning.