An electronic device, comprising: a display module; a main board in communication with the display module; a middle frame disposed between the display module and the main board, wherein the display module is disposed on top of the middle frame and the main board is connected to the bottom of the middle frame; and an antenna module, comprising a metal side frame comprising a breaking seam; and a feed coupling stub having a first end and a second end; wherein a long side of the feed coupling stub is spaced at a preset distance from an inner side of the metal side frame; the feed coupling stub and the middle frame are arranged in parallel between the display module and the main board; a side of the middle frame is connected with the inner side of the metal side frame through middle frame connecting parts; the first end of the feed coupling stub is adjacent to the breaking seam and is electrically connected with a grounding part of the main board to form a first grounding point of the antenna module; the feed coupling stub is electrically connected with a radiofrequency module of the main board through a contact point to form a feed point of the antenna module; the middle frame connecting part adjacent to the second end of the feed coupling stub forms a second grounding point of the antenna module; characterized in that a slot is opened between the inner side of the metal side frame and a side that is on the display module and substantially paralleled to the long side of the feed coupling stub, wherein the part of the metal side frame between the second grounding point and the breaking seam is electrically conductive. a display module; a main board in communication with the display module; a middle frame disposed between the display module and the main board, wherein the display module is disposed on top of the middle frame and the main board is connected to the bottom of the middle frame; and an antenna module, comprising a metal side frame comprising a breaking seam; and a feed coupling stub having a first end and a second end; a metal side frame comprising a breaking seam; and a feed coupling stub having a first end and a second end; wherein a long side of the feed coupling stub is spaced at a preset distance from an inner side of the metal side frame; the feed coupling stub and the middle frame are arranged in parallel between the display module and the main board; a side of the middle frame is connected with the inner side of the metal side frame through middle frame connecting parts; the first end of the feed coupling stub is adjacent to the breaking seam and is electrically connected with a grounding part of the main board to form a first grounding point of the antenna module; the feed coupling stub is electrically connected with a radiofrequency module of the main board through a contact point to form a feed point of the antenna module; the middle frame connecting part adjacent to the second end of the feed coupling stub forms a second grounding point of the antenna module; characterized in that a slot is opened between the inner side of the metal side frame and a side that is on the display module and substantially paralleled to the long side of the feed coupling stub, wherein the part of the metal side frame between the second grounding point and the breaking seam is electrically conductive.