Phoenix OS is based on Android operating system, and it is suitable for smart tablets, laptops, desktop computers and other large-screen devices. It inherits many features and functions of classic personal computer operating systems and also supports millions of mainstream Android applications. Phoenix OS adopts with the start menu as a comprehensive entrance of the system. Compared with traditional Android systems, Phoenix OS supports operation of multiple windows and multiple tasks, and easy mutual switching between applications, which greatly improves utilization efficiency. It supports classified file management, LAN access, global search, and even the mouse operation, window dragging and file decompression.