LED display, as a widely used large screen display solution, is characterised by full screen without display obstacles, good integrity, high brightness, but there are some dead light situations, the resolution is not as high as that of LCD.Multi-screen Splicing Processor is able to support lossless processing of high-definition signals, ensure output synchronisation, and support a variety of customised resolutions and large screen splicing. Through its powerful processing capability, it realises lossless processing of HD signals and support of multiple display functions, thus enhancing the display effect and system stability and providing a one-stop solution for LED display.