Although the structure of Oracle Bone Inscriptions is complex and varied, it has a symmetrical and stable pattern. Therefore, some people think that China's calligraphy started from Oracle Bone Inscriptions in a strict sense, because Oracle Bone Inscriptions prepared three elements for calligraphy: pen, knot and composition, and Oracle Bone Inscriptions, a mature body, laid the foundation for China's calligraphy art and took the first step for China's calligraphy art, so Oracle Bone Inscriptions's role in China's calligraphy history is undoubtedly enormous.