"Send Off Deputy Li to the Official Army in Qixi" is a frontier fortress poem written by Cen Shen, a poet of the Tang Dynasty. The poem has the following characteristics in terms of rhyme:
1. The whole poem rhymes with flat tones, and the rhymes are "西", "hoof", "fat", "qi", "elm" and "qi". It reads harmoniously. Rhythmic.
2. The first sentence rhymes, and most regular verses rhyme with every other sentence, but the first sentence of this poem rhymes, giving people an abrupt and upright feeling.
3. Even-numbered sentences rhyme, which is also the general rhyming method of rhythmic poetry, making the rhythm of the whole poem more rigorous.
4. Change of rhyme. The rhyme of the poem has changed in the second and fourth couplets, from "West" and "hoof" to "fat" and "flag", from Qi Te Hu to Breathing out of the mouth makes the phonology of the poem richer and adds to the musical beauty of the poem.