Abstract: At 22: 55 on June 17, 2019, an earthquake of magnitude 6.0 occurred in Changning County, Yibin City, Sichuan Province, with a focal depth of 16 km. After the earthquake, it aroused wide discussion on the network and quickly became a hot issue. This paper mainly analyses the trend of network public opinion, hotspots of concern, types of rumors, and characteristics of public opinion within 24 hours after the earthquake, and only provides reference for the control of sudden earthquake related public opinions.