Abstract: Absrtact : This paper introduces the development of Beijing digital strong motion observation network through the'Ninth Five-Year Plan', 'Tenth Five-Year Plan', 'Olympic guarantee', 'National Earthquake Intensity Rapid Reporting and Early Warning Project'and other projects, and counts the data recorded by the strong motion network from 2016 to 2022 and its application output-seismic intensity rapid report. It shows that the rapid output of Beijing digital strong motion observation network has important reference value for earthquake emergency work in post-earthquake response, emergency disposal, command and dispatch.