This public welfare live broadcast uses Vue scaffolding to complete the single-page display of China's epidemic and global epidemic data~ The project structure is carried out using the current trend of completely separating the front and back ends. The way to display China's epidemic data is to make a China epidemic map, and the way to display global epidemic data is to make a column chart. The technical hot spots involved are as follows: 1. echarts map configuration, complex column chart configuration; 2. axios cross-domain request cache data interface; 3. tp redis caches third-party interface data and other contents;