Since the beginning of 2020, the world has been affected by the COVID-19 epidemic, which has brought many problems, such as economic and other aspects. These problems have lasted for a long time, and until now, most countries have not come out of the shadow of the new pavilion epidemic. This paper focuses on the development of digital media in the post-COVID-19 era. The purpose of this study is to explore whether the impact of COVID-19 on digital media is serious. Through some case studies, the specific performance of digital media in the three periods before and after the outbreak of COVID-19 will be compared, to draw a series of conclusions. Moreover, the development of digital media is analyzed from two aspects economy and application. Finally, it is concluded that COVID-19 has a fundamental inhibitory effect on the development of digital media, but at the same time, it has a certain promotion effect on the application field.