Gexing is a genre of China's classical poetry, which belongs to Yuefu poetry. After the Han and Wei Dynasties, Yuefu poems were mostly titled "Song" and "Xing".
Ge Yanxing is a poem by Gao Shi, a poet in the Tang Dynasty. This poem sums up the general frontier wars, mainly exposing the lords' arrogance, underestimating the enemy and not caring for the soldiers, which led to the failure of the war.