regular script
From the perspective of font structure, regular script is similar to official script, but it changes the writing method of official script strokes, from flat official script to basic square regular script, which is called "square character". Regular script is also called official script and original script, which shows that regular script is a regular script for people to learn and use. The earliest regular script writer was Zhong You in the late Eastern Han Dynasty. In his handed down works, the brushwork of official script is still reserved. Regular script experienced many changes in Wei, Jin, Southern and Northern Dynasties, and was basically finalized after Sui and Tang Dynasties. After the script is finalized, it is quite exquisite and rigorous in strokes and structure, such as the works of Ou Yangxun, a famous calligrapher in the Tang Dynasty.
After China characters entered the regular script stage, the font continued to be simplified, but the font changed little. Printing, as one of the four great inventions in China, uses regular script as the main font for printing books. In the Song Dynasty, the regular script was refined to make it more regular and beautiful, and it was called "Song Style". Later, it was called "Song Style Imitation". The fonts used in books and newspapers we read today are generally variations of this style.