The present disclosure discloses a method for customizing a desktop launcher of a mobile terminal, comprising: placing a resource file and a configuration file for customizing at least two kinds of desktop launchers in a resource folder and a configuration folder, respectively, wherein the files and the folders of the desktop launchers are different in name; adding a compilation command corresponding to the desktop launchers, and copying the files corresponding to the desktop launchers in a saving path to a second file directory; adding the saving path to a program information file; compiling the files in the folders corresponding to the desktop launchers in the second file directory, so as to generate an installation program file; and loading the installation program file corresponding to the desktop launcher selected by the user, so as to execute the corresponding desktop launcher. The present disclosure further provides a system related to the method.