Known as "Su Hao Oil Willow", Liu Ci is fresh, graceful, delicate and original.
Liu Yong was a great poet in the Northern Song Dynasty and occupied an important position in the history of Ci. He expanded the scope of words and created many excellent works. Many chapters sang the pain of some down-and-out literati in the prosperous times with sad tunes, which was really touching. He also described the bustling scene of the city and the scenery of the four seasons, as well as other themes such as visiting immortals, chanting history and chanting things. Liu Yong developed the style of ci and kept more than 200 words. There are as many as 150 tones used, most of which are new tones that have never been seen before, and 78 of them are long tones and slow tones, which have made great contributions to the liberation and progress of Ci. Liu Yong also enriched the expression of ci. His ci pays attention to the structure of rules, the style of ci is clear, the language is natural and fluent, and it has distinct personality characteristics. He inherited Dunhuang music, wrote a large number of "slang words" in folk spoken language, and created Jin and Yuan music. Liu Ci also uses novel and beautiful tunes, which are full of charm, close to feelings and full of musical beauty.