Liu Yong (about 987- about 1053), a famous poet in the northern song dynasty, was a representative of graceful and restrained school. Han nationality, a native of Chong 'an (now Wuyishan, Fujian), was originally named Sanbian, with the word Jingzhuang, and later renamed Yong, with a clear word, ranking seventh, also known as Liu Qi. He is a scholar in the imperial court, and the official is Yuan Wailang, so he is known as Liu Tuntian in the world. He called himself "Liu Sanbian, who wrote lyrics in sequence", devoted his life to lyrics and boasted that "white clothes are fluttering". His poems mostly describe the city scenery and the life of geisha, especially the feelings of traveling and traveling. Among them, there are many slow words, which are detailed in description, mixed with scenes, popular in language and harmonious in melody, and widely circulated at that time. There is a saying that "where there is well water to drink, you can sing Liu Ci". As one of the most representative figures of graceful and restrained school, Liu Yong had a great influence on the development of Song Ci. His masterpieces include Yulin Ridge, Klang Ganzhou, Wu Fengqi and many other extant poems.