At present, there are a considerable number of educational blogs and educational websites in the country, but not every post, every page is valuable, and many valuable content is submerged. edudig.net is a digg site for users to discover and recommend the most valuable educational news/articles/tools/sites they see on the Internet every day. Information is submitted by the user for evaluation, but it is not decided by the editor whether to publish on the front page, but by the user vote.