Judging from the available data, these five songs are the only remaining group of Kay lyrics. Shen Kuo was the first famous songwriter in history. Liu Kezhuang's Breaking the Array in the Southern Song Dynasty: "The Sixth Army opened its arms to win the thunder." In the Ming Dynasty, Yu Qian was writing a poem: "In February and March next year, I would rather listen to the song of triumph." Triumphal songs have existed in all dynasties, and veteran Wan Bikai's lyrics are only five of Shen Kuo's. It can be used as historical materials to study the relationship between the Northern Song Dynasty and Xixia.