Cai Dongfan's "Popular Romance of China in Past Dynasties", from the Qin and Han Dynasties to the Republic of China, has a total of 1000 times, more than 5 million words and a history of nearly 2,200 years; Believing in history and relying on unofficial history is a general history classic with prudent materials, plain views, rich content, excellent narration, elegant language, self-evaluation and self-annotation, which is both reasonable and interesting.

After this set of books was published, it was widely welcomed and praised. In the mid-1930s, Mao Zedong called Li Kenong to buy two books to meet the needs of Yan 'an cadres to learn the history of China. Bedroom, bedside, Longjia, a famous historian Chai Degeng believes that this book, as a historical knowledge book, is rich enough and systematic in content, although it has some shortcomings. The famous novelist Er Yuehe believes that this book can only be said to be a medium-level work in literature, but reading this book can introduce the history of the country, and it is the only one without branches.