The utility model relates to a remote-control switcher for a large-sized electronic display screen. The remote-control switcher is connected with a display computer through a wireless router, wherein the wireless router is a Wi-Fi (Wireless Fidelity) wireless broadband network router. The remote-control switcher comprises a display, a keyboard, a controller and a wireless communication module. The remote-control switcher for a large-sized electronic display screen, provided by the utility model, has the advantages of simple structure, simplicity and convenience in operation and the like, is very suitable for the condition that corresponding display themes are selected for different visiting people by a commentator, and plays a role in keeping some themes secret.