(1) Their poems have a wide range of themes: they all express their ambition to serve the country and make contributions in their poems. Life in the border area is hard, the war is fierce, and the soldiers are homesick. They also described the customs, ethnic customs and ethnic exchanges of the frontier fortress.
(2) the scene is grand: it describes the scenery as more magnificent.
(3) The emotional tone is relatively high: the momentum is very strong and relatively progressive.
Difference:
Although there are similarities between Gao Shi's and Cen Can's frontier poems, due to their different family backgrounds and life experiences, their frontier poems also have similarities and differences. Gao Shi's frontier poems have realistic style, while Cen Can's frontier poems have strong romantic features. Gao Shi's poems are desolate and tragic, while Cen Can's poems are magnificent. Yan Yu's Cang Shi Lang Dialect in the Southern Song Dynasty said: "Gao Cen's poems are tragic and touching, and it is heartbreaking to read them."
As far as content is concerned, Gao Shi's poems are not as rich as Cen Can's, and Cen Can's poems are not as profound as Gao Shi's. The highest achievement of Cen Can's frontier poems is the description of frontier scenery and frontier life.
As far as style is concerned, Gao Shi's poems are tragic, while Cen Can's poems are magnificent. Gao Shi combined his personal knowledge, observation and thinking with his fame and fortune ambition. His desolation and sadness are rational and calm, but his tone is generous and high. Cen Can's poems are full of emotion, paying attention to feelings and impressions, romantic imagination, elegant description and feelings for the scenery.