1. A multi-language interfaces switch system, comprising: a storage medium storing an executable code that contains a variable code, and multiple language packs, wherein text data are contained in the multiple language packs instead of the executable code; a processor electrically connected to the storage medium for executing the executable code; and a language switch unit, electrically connected to the storage medium and the processor, for generating and sending a signal to the processor, the processor converts the variable code into one of the language packs and the language switch unit includes a language menu for switching among multi-language interfaces, wherein the executable code comprises a JavaScript program code generating a plurality of pop-up message boxes, and a tool is further applied to convert the JavaScript program code into a HTML document file, in which a plurality of check keys are provided on a one-to-one basis corresponding to the pop-up message boxes, each of the check keys triggers a corresponding one of the pop-up message boxes to display a corresponding message for being checked by a translator.