Through the national bibliography, we can know the correctness of book publishing in China in time According to the relevant public information, the National General Bibliography is a comprehensive and continuous book catalogue with the nature of a book yearbook, which is compiled according to the sample books submitted to China Edition Library by official publishing units in China every year. Since the founding of the People's Republic of China, it has been published year by year, which comprehensively and systematically reflects the annual publication of books in China.