A fixing structure is suitable for fixing a display panel of an electronic device. The display panel has a panel fitting portion at a side edge of the display panel. The fixing structure includes a front bezel and a rear bracket. The front bezel has a bezel fitting portion to fit with the panel fitting portion. The rear bracket is assembled to the front bezel and has a restraining portion to restrain the motion of the bezel fitting portion relative to the panel fitting portion after the bezel fitting portion fits with the panel fitting portion and the rear bracket is fixed to the front bezel. Besides, an electronic device applied with the above fixing structure and a method for assembling the same are also provided here.