Recently, the general office of the CPC Central Committee and the general office of the State Council officially issued the opinions on promoting the work of ancient books in the new era (hereinafter referred to as the opinions), and put forward the guiding ideology of "promoting the creative transformation and innovative development of Chinese excellent traditional culture" for the work of ancient books in the new era, which has brought significant development opportunities to the protection and collation of ancient books, the innovative development of Digital Humanities and the upgrading of cultural industry. This paper mainly reviews China's ancient book protection policies since the founding of new China, analyzes the existing problems, and finally puts forward the development direction of China's ancient book protection from the perspective of Digital Humanities.