Quark network disk is a cloud storage service launched by Alibaba's intelligent search APP Quark, which was officially launched in May 2002 1, 21. Quark network disk can provide users with cloud storage, backup and other functions. As a part of Alibaba Group, Quark Network Disk provides a one-stop platform for information search, storage and consumption, aiming to help users better obtain various digital contents related to study and work through various tools and services it provides. In addition to network disk service, quark also includes intelligent search, AI camera, quark learning, quark document and other functions.