Douban is a social software. Douban is a social software for reading, which mainly provides recommendations, comments and price comparisons of books, movies and music records, as well as the unique cultural life of the city. Provide a variety of service functions, such as bibliography recommendation, making like-minded friends, etc. It is more like a new community network integrating blog, making friends, group and collection. 88 million users can tell you what books are good when you are short of books. Rich and huge audio-visual database of books can help you find your favorite movies, TV series, books and music quickly. You can browse ratings and comments, check real audience and reader feedback, and get effective reference. You can also explore and extend it through douban list, film list and book list, and portray a more systematic interest vein. At the same time, your own marks and comments will become precious cultural footprints, stored in your spiritual life files, whether it is universal aesthetics or minority preferences.