A book stand is an object used to support books to stand stably. Made of iron, stainless steel and other materials into the shape of "L", appearing in pairs. The book stand can prevent a row of standing books from tilting and tilting, thus preventing the books from being bent, bent or damaged. Bookstall can also be used to summarize and organize different kinds of books. Libraries often use book stands to arrange shelves with gaps, and companies and individuals can also use book stands on flat tables.