Yan Ti is a font created by Yan Zhenqing, a calligrapher in the Tang Dynasty. Yan Ti and Liu Gongquan are collectively called "Yan Liu" and "Yan Liu Jingu". "Yan Ti" is aimed at Yan Zhenqing's regular script. Its regular script structure is square and dense, the strokes are horizontal and light, the brushwork is vigorous and round, and the momentum is solemn and vigorous.