At present, almost all the most important full-text retrieval systems of ancient books are concentrated in Taiwan Province Province. The Chinese electronic literature (formerly known as the full-text retrieval system of Chinese classics) of the Institute of Chinese Electronic Literature of Academia Sinica is by far the largest Chinese ancient books database and the most rigorous Chinese full-text database in the network at present. It contains the complete twenty-five histories, the complete Ruan Ke Thirteen Classics, more than 20 million words of historical materials in Taiwan Province Province, and 6,543.8+million words of ancient books such as Dazhengcang, with a total word count of 6,543.8+0.34 million words, and it grows at a rate of at least 6,543.8+million words every year, which is spectacular. All the materials of Chinese electronic documents include twenty-five histories, philosophers, eighteen ancient books, thirty-four ancient books, Dazheng newly revised Tripitaka, and China ancient corpus. Most of the materials are free and open, not only providing inquiries, but also browsing ancient books in full text. At the end of the first-class column of Chinese database, there is a less noticeable humanities database for teachers and students, which is for popularizing literature and history education in Taiwan Province Province. ......