The cultural product of the Shang Dynasty, the earliest writing in China, was carved on the tortoise shell bone to foretell bad luck. according to

1, Oracle Bone Inscriptions: It mainly refers to the characters carved on tortoise shells or animal bones by the royal family in China in the late Shang Dynasty (14 to1century). It is the earliest known systematic writing form in China, and today's Chinese characters are also related to Oracle Bone Inscriptions.

Oracle Bone Inscriptions: In Shang Dynasty, the royal family carved the divination results on tortoise shells or animal bones into long or short notes, which were called Oracle Bone Inscriptions. Oracle Bone Inscriptions recorded the activities of Shang kings and the political and economic situation of Shang Dynasty, which is of great value to the study of Shang history.

2. Oracle Bone Inscriptions is one of the Chinese characters, and it is also the oldest mature character in China. A large number of Oracle Bone Inscriptions unearthed in Yin Ruins all have the basic structure of Chinese characters. Judging from the 1500 characters that have been recognized in Oracle Bone Inscriptions, it has the methods of "pictographic characters, knowing characters, pictographic characters, indicating characters, transferring words and borrowing words", and many characters are the embryonic forms of Chinese characters. All these indicate that Oracle Bone Inscriptions already has the basic structure of Chinese characters, and it is a relatively mature script.