兰亭书舍 is an online fiction-reading website offering a large library of novels for free. Its catalog lists 59,414 titles across genres including fantasy, urban fiction, wuxia, xianxia, historical fiction, military, games, sports, science fiction, supernatural stories, and other categories. Readers can browse the full collection, explore recommendations and popular titles, or find books through category rankings, new-release lists, and completed-work sections.

The homepage features recently updated chapters and newly published works, with chapter activity and update times displayed to help readers follow ongoing stories. Site features also include search, a personal bookshelf, and reading history, making it easier to discover and revisit books. The selection ranges from long-running popular series to newer serialized fiction, with authors and chapter titles shown in the listings.

兰亭书舍 describes its offering as high-definition, genuine-edition novel reading, while noting that its content comes from the internet. It also provides a contact email for copyright concerns