1. The glyphs of Han bamboo slips calligraphy are monotonous and stiff, and each word takes up very little space. However, Ou Kai is characterized by the simultaneous application of Fiona Fang, square-oriented, vibrant stippling and cohesive brushwork.
2. More than 7480 pieces of Han bamboo slips/kloc-0 have been unearthed in the Han Dynasty ruins in Dunhuang area, which occupies an extremely important position among the Han bamboo slips found in China. Ou Kai, also known as Ou Ti, is a regular script font created by Ou Yangxun, a great calligrapher in the Tang Dynasty. Han bamboo slips calligraphy and Ou Kai calligraphy are two different types of calligraphy, with their own characteristics and historical background. These two types of calligraphy have developed under different cultural and historical backgrounds, and each has its own unique charm and value, which can be compared and used for reference in the process of understanding culture and art.