Xiaoda Smart Display provides commercial display screen users with a convenient mobile phone APP to manage device terminals. It can provide convenient remote device management, provide a large amount of screen template content, and provide users with convenient content production and other services through AI services. Customers can quickly grasp the operation status of batch terminals through the mobile phone APP, and adjust the device anytime and anywhere, including turning on and off, timing on and off, taking screenshots, and adjusting the sound and brightness.