Mawangdui silk books involve politics, military affairs, thoughts and culture from which dynasty to the early years of the Western Han Dynasty.

The content of silk books involves politics, military affairs, ideology, culture and science from the Warring States Period to the early Western Han Dynasty, which has important academic value and can be used as the basis for sorting out ancient books handed down from generation to generation. It is not only the first-hand data for studying history, but also provides a valuable basis for studying calligraphy and its evolution and development in Han Dynasty. For example, in the first and second editions of Laozi, moral classics come first, Taoist classics come last, and the order is opposite. Lost articles are precious materials for studying Confucianism and early Han thought. Another silk book similar to the Warring States Policy, about 60% of which is not included in the Warring States Policy, is now named Letters of the Warring States Period, which is an important historical material for studying the struggle to unify Lian Heng in the middle of the Warring States Period. Mawangdui silk book is the most important discovery of bamboo and silk literature in Han Dynasty. In addition, a large number of Taoist documents unearthed in Mawangdui can also confirm the dominant position of Laoxue and Huanglaoxue. These precious silk books unearthed at Mawangdui are really a collection of Taoist materials. Needless to say, the first and second editions of Laozi and the Four Classics of Huangdi shocked the academic circles. As can be seen from the publication of the newly published full text of the silk book copyright, it is the earliest surviving Taoist manuscript ②, while other lost books in the Book of Changes, such as Ersanzi Wen, Yizhiyi, Yao Yao, Muhe, Zhao Zhao,