The cloud bookshelf on the phone referred to a novel bookshelf based on the cloud that could be accessed and stored through the phone app. Through the cloud bookshelf, users can easily manage their novel collections, read their favorite novels anytime, anywhere, and share them with others. Cloud bookshelf was usually installed on the user's mobile phone application market. The common cloud bookshelf applications included "Tangyuan Reading","Netease Cloud Reading","Amazon Cloud Reading", and so on.