Kai Zi is a kind of China script. In China's calligraphy, regular script is the most basic and commonly used one. Regular script is standardized, orderly and symmetrical, and easy to read. It is the most important calligraphy foundation in school education. Regular script has a long history, dating back to the Han Dynasty. In the depressed genre, regular script occupies a dominant position and becomes an important style for future generations to learn and inherit.

Regular script plays an extremely important role in China culture. As a calligraphy style, it is not only an important part of Chinese civilization, but also a symbol of China culture. Regular script plays an important role in various literary and artistic forms. Many ancient countries and regions were influenced by China culture, so they also used regular script. It can be seen that the cultural influence of regular script is very lasting and far-reaching.

In modern life, regular script is widely used in many fields. Regular script is a very useful tool in calligraphy art, advertising design, font design or other work fields. With the continuous development and progress of modern production technology, higher requirements are put forward for the use and performance of regular script. Therefore, in modern society, learning and practicing regular script is still of great significance.