(The course starts with the value that data operations can bring to us, including the latest detonation algorithm of the Douyin live broadcast room, sharing of changes in various aspects of the Douyin market, research on the main data list provided by data tools, and live broadcast rooms of different sizes, etc. Commodity category and lack analysis, analysis of the monopoly ratio of the top 100 anchors in different categories, analysis of the difference between self-broadcasting and talent agency effects, analysis of product price range selection in the category market, how to use the product structure of other platforms to select products for Douyin, how to I have used Douyin + Taobao Guan many times for product selection and sharing.)