a method for generating an object attribute related to a user interface of a digital displaying device is disclosed . the method includes : utilizing a development tool to develop the user interface to generate an editing result ; checking the editing result according to a checking rule of the development tool to determine whether the user interface complies with hardware configuration of the digital displaying device , wherein the checking rule corresponds to the hardware configuration of the digital displaying device ; generating the object attribute of the user interface according to the editing result ; storing the object attribute of the user interface into a description file .