The style of cursive writers, especially cursive writers, is flying and elegant. Although the official seal script has not developed greatly, it can inherit the legacy of Qin and Han dynasties and form a strong or strong business style. Calligraphy in Tang Dynasty can be divided into three stages: early Tang Dynasty, prosperous Tang Dynasty and late Tang Dynasty. The new style of this era gradually changed in the fashion of the early Tang Dynasty. In the middle of the prosperous Tang Dynasty, a new style appeared only in the field of cursive script, and then the real style was different and developed. Calligraphy developed less in the late Tang Dynasty.