Excavated document research has come into its best time. In one aspect

there are more and more excavated documents. In the other aspect

excavated document research closely connects with national policies and General Secretary Xi's spirit of his speeches. Excavated document research is popular in this age. From inscriptions on bones or tortoise shells of the Shang Dynasty to Qin and Han dynasties words

many literary works change our former knowledge. There are some principles when it comes to excavated documents. First

we should find out balance between excavated documents and handed-down documents. We shoudn’t believe or doubt about history easily. We should explain it. Then

when we compare handed-down documents with excavated documents

we shouldn’t doubt the reality of handed-down documents because lack of support from excavated documents. Excavated documents enlighten that many ideologies have long historical origin source. Literary works connected with modern excavated document research and Chinese literature history research need expand. Excavated literary document research should work along both lines. We need clear division of research on literature. We also need new research pattern to break through obstacles and communication using courage and pioneering spirit.