In 2020，due to the impact of the Covid-19 epidemic，the development of the book，newspaper and magazine publishing industry is hovering at a low level. Book retailing market has seen its first negative growth in nearly 20 years，and the newspaper market continues to shrink. During the epidemic，the advantages of digital publishing have been highlighted，and the enthusiasm of press and publishing units to devote themselves to the production of digital publishing products has increased. The coherence of production and demand has provided impetus for the development of digital publishing.