1. A method for assembling an apparatus, comprisingproviding a housing, a motherboard, a battery and a display module, wherein the housing has at least an opening and an accommodating space, and the battery has assembled to the display module;
stacking the mother board to one side of the battery, wherein the motherboard is located between the housing and the battery;
electrically coupling the display module and the battery to the motherboard;
assembling the motherboard, the battery and the display module; and
performing an assembling operation to dispose the assembly of the motherboard, the battery and the display module in the accommodating space of the housing, such that the motherboard and the battery are located between the housing and the display module.