Kaishu is the writing method of characters:
Kaishu is also called Zhengshu, or Zhenshu. Its characteristics are: square shape and straight strokes, which can be used as a model, hence the name. There have been many famous regular script calligraphers from ancient times to the present, such as "Ou Ti" (Ouyang Xun), "Yu Ti" (Yu Shinan), "Yan Ti" (Yan Zhenqing), "Liu Ti" (Liu Gongquan), "Zhao Ti" (Zhao Mengfu), etc. Each of their calligraphy styles is unique.
Ouyang Xun, one of the four masters of regular script. He and Yu Shinan were famous for their calligraphy in the early Tang Dynasty, and they were also called "Ou Yu". The name is "European Body".
The structural characteristics and brushwork characteristics of European style are complementary and interdependent. The ancients commented that the words for European style Jiucheng Palace are eight-quarter square and two-quarter circle. The folded pen shows thinness and strength, embodying the strong character of European characters; the rounded pen shows plumpness, reflecting fullness of flesh and blood.
Yan Zhenqing’s calligraphy style is dignified and bold, forming a broad, majestic and powerful style, forming a “Yan style” style dominated by “tendons”. Therefore, for more than a thousand years, together with “Liu style” It is praised by the world as "the bones of the flesh and bones" and has become a classic work in the calligraphy world.