The present disclosure relates to a method for booting startup of an electronic device, an electronic device, and a readable storage medium. The electronic device includes a boot program Boot, an operating system, a preset boot memory, and a display screen, wherein the preset boot memory is configured to store image information. The method for booting startup of an electronic device includes: running the boot program Boot to start up the operating system, and during the startup of the operating system by the boot program Boot, refreshing, by the boot program Boot, the image information stored in the preset boot memory to a controller of the display screen.