Ruan Ji was a famous writer and philosopher in the Tang Dynasty. He had written many poems on history, among which the more famous ones were "Ode to Historical Relics" and "Ode to History". The book mainly described Ruan Ji's reverence for the ancient heroes and expressed his praise and nostalgia for the ancient heroes through the description of the historical sites. The poem depicted the images of ancient heroes such as Guan Yu, Zhang Fei, Liu Bei, Zhuge Liang, and expressed their admiration and admiration for their heroic deeds. The Ode to History mainly described Ruan Ji's research and discussion of ancient wars and heroic deeds. The poem depicted the scenes of ancient wars and the images of heroes. Through the description of wars and heroic deeds, Ruan Ji expressed his reverence for ancient heroes and his interest in historical research.