A method for assisting graphical user interface design includes extracting a first interface element from a first GUI under a first cultural background; searching in a rule repository for at least one transformation rule corresponding to the first interface element, where each of the at least one transformation rule includes at least an action taken on the first interface element; based on the at least one transformation rule, transforming the first interface element into a second interface element under a second cultural background; and providing a second user interface comprising at least the second interface element.