A display module has a display panel and a backlight module disposed on one side of the display panel. The backlight module includes a heat sink, a light bar, a light guide plate, a first reflective sheet, and a second reflective sheet. The light bar abuts against one side of the heat sink. The first reflective sheet is disposed adjacent to a bottom surface of the light guide plate, and the second reflective sheet is disposed adjacent to an edge of a light-emitting surface of the light guide plate. The second reflective sheet has a first part and a second part forming an included angle with the first part, the first part is attached to the heat sink or the light bar, and the second part overlaps a part of the light-emitting surface of the light guide plate.