The epidemic of covid-19 caused a great setback to the sales of physical books. At the same time, digital technology is also boosting the rise in audio and e-books. Obviously, although traditional hardback and paperback books are still the first choice for reading, as people become more cautious about traveling, covid-19 has made the declining paper book market even more frustrated. < / P > < p > in the information map of global reading habits 2020 report, the preferences of readers on different continents are shown. Interestingly, India is quite high, while the United States is only 22nd. < / P > < p > finally, despite the “doomsday” atmosphere, such data is beginning to become popular. But as the time at home keeps social alienation longer, many people are also trying to improve themselves by self-study, which has increased the sales of education books by more than 200%. Chinese version of K-car: reading a10e design drawing exposure