Yan Zhenqing (709 ~ 785), a scholar in Qing Dynasty, was born in Langya, and later moved to Jingzhao Wannian (now Xi 'an, Shaanxi). He used to be a magistrate in Pingyuan, an official minister and a prince. Lu Jinfeng Simon. Yan Zhenqing played an outstanding role in the process of pacifying Anshi Rebellion. After taking office in the Central Committee, he stood upright and was finally trapped by Qilu. Li Xilie, the rebel general who was sent to surrender, died bravely. His honest behavior won people's praise, and his personality also influenced his calligraphy style to some extent.
Yan Zhenqing is the most influential calligrapher in the history of calligraphy after Wang Xizhi. Su Dongpo once spoke highly of it. He said: "This book is for Yan, ... the world is exhausted." Yan Zhenqing's words are written in seal script and official script, which are solemn, simple, bold and magnificent. The style he created is called "colourful style".