With the rapid development of Internet technology in China，the media structure，public opinion ecology and communication technology are undergoing profound changes. Weibo，as the important Chinese social media platform，has always been the main position to gather people，mainstream media，government agencies and other voices. From words and pictures to live video，rich product forms help Weibo to present first-hand information in a diversified and all-round way in emergency news and major social events. With the commercial use of 5G technology，the Internet connect everything，as an influential social media platform in China，Weibo will also make diversified development based on its platform advantage.