| 1 | It is an obvious cultural feature to emphasize the harmony between Heaven and Man in Han Shu. | |
| 2 | Thirdly, there were some points that Laozi taught in the pay school in Records of Historian and the Book of Han dynasty. | |
| 3 | there is a story in "Hanshu" telling of a rich man, who being a lover of s and had a large collection. | |
| 4 | Yan Shigu is a famous philologian in Tang Dynasty. He summarized different opinions about notes of Book of Han. | |
| 5 | This dissertation discusses the significance of collation on Han Shu, deeply explores both the history and current situation of this work. |