How to evaluate Cao Cao's poems?

Cao Cao is good at poetry, understands the art of war, and has the style of Jian 'an Wen. There are many poems, and the Art of War is handed down from generation to generation. Modern people have compiled his poems into a typographical edition of Cao Cao Ji. Cao Cao likes to express his political ambitions and reflect the sufferings of people's livelihood with poems. He is a representative figure in the literature of the Eastern Han Dynasty, and is praised by Lu Xun as "the founder of reforming articles". At the same time, he was also good at calligraphy, and was rated as a "wonderful work" by Zhang Huaiguan in the Tang Dynasty.

In artistic style, Cao Cao's poems are unpretentious and unpretentious. They won with deep affection and charm. Poetically, it is characterized by generosity and sadness. Generosity and sadness, originally the keynote of Jian 'an literature, are the most typical and prominent in Cao Cao's poems. In terms of poetic genre, Cao Cao's Yuefu poems did not copy the rules of Han Yuefu, but developed. For example, Lu Luxing and Good Li Xing are both elegies in Han Yuefu, but he uses old topics to express new contents. Cao Cao initiated the tradition of writing current affairs with Yuefu, which had far-reaching influence. A large number of Yuefu poems created by Jian 'an writers and many poets from the Southern and Northern Dynasties to the Tang Dynasty can be said to be the inheritance and development of this tradition.