Abstract: A method to create and run a program in a computer including includes: connecting a preset USB-HID device to a computer, wherein the USB-HID device is provided with a first storage area, stores working codes in the first storage area in binary form; the USB-HID device injects a control instruction to the computer, such that the computer creates a text document or opens a command line program according to the control instruction; if the computer creates a text document, the USB-HID device inputs the working codes in the form of keyboard sequence to generate an application corresponding to the working codes, and controls the computer to run the application; and if the computer opens a command line program, the USB-HID device inputs the working codes in the form of keyboard sequence, such that the computer directly runs the working codes through the command line program.