XiaoBai LED is an APP that controls the creative products of LED display screens such as LED armbands, LED hats and LED stereos. The mobile phone can control the display of the LED screen in real time through APP after being connected with the LED screen through Bluetooth, which is compatible with a variety of LED display screen sizes, with a large number of LED pattern display materials and animation templates built in, and does not update the material contents regularly. At the same time, it has built-in music function, and users can create characters and patterns independently, edit favorite contents and colors. At the same time, it has built-in graffiti drawing board function, and users can save and upload DIY graffiti on LED screen to show their creativity and personality.