Similarities:
1. The theme is similar: both poems are based on the frontier fortress, describing the war, scenery and homesickness of soldiers in the frontier fortress, expressing the author's worries about national security and people's sufferings, with strong frontier fortress customs and feelings of home and country.
2. The combination of realism and imagination: the two poems not only describe the real scene of the frontier fortress, but also incorporate the author's imagination and metaphor, making the poems more vivid and artistic.
3. Concise language, profound meaning: Both poems express profound meaning in concise language, and the words are precise and meaningful, which shows the author's poetic talent and artistic charm.
Difference:
1. The specific description is different: Fortress focuses on the frontier war and the bravery of soldiers, and through the description of specific historical events and characters, it expresses the author's reflection on the war and praises the heroes; Liangzhou Ci pays more attention to describing the frontier fortress scenery and soldiers' homesickness, and expresses the author's helplessness and nostalgia for his hometown by describing the frontier fortress scenery and nostalgia for his hometown.
2. Different emotional expressions: The Fortress has a tragic and passionate emotion in its expression. Through the reflection on historical events and the praise of heroes, he expressed his concern and concern about national security and people's suffering; However, Liangzhou Ci is even more desolate and helpless. By describing the frontier fortress scene and homesickness, I expressed my helplessness to the war and nostalgia for my hometown.
3. Different styles: Chusai is bold and unrestrained, with great momentum and a masculine beauty; Liangzhou Ci is more graceful and feminine, with exquisite words and a feminine beauty.
Generally speaking, although the two poems are both representative works of frontier fortress poems, they are different in specific description, emotional expression and style.