An electronic device, wherein a terminal antenna is disposed in the electronic device, and the terminal antenna comprises a first antenna, the first antenna comprises: a first excitation part (143, 144) and a first radiation part (141, 142), wherein the first excitation part (143, 144) is disposed at a middle location of the first radiation part (141, 142); and a common-mode feed is disposed between the first radiation part (141, 142) and the first excitation part (143, 144), and the common-mode feed is one or two feeds, wherein the first excitation part comprises either a) two inverted L-shaped radiators that are not connected to each other; and one arm of each of the two inverted L-shaped radiators is connected to the first radiation part by using one feed, and ends of the two inverted L-shaped radiators away from the feed are away from each other; or b) a π-shaped radiator, and two ends in the middle of the π-shaped radiator are separately connected to the first radiation part by using two common-mode feeds; or c) a T-shaped radiator, and an end in the middle of the T-shaped radiator is connected to the first radiation part by using one feed; or d) an annular radiator provided with an opening, two ends of the opening of the annular radiator are separately connected to the first radiation part, one feed is disposed in the annular radiator, one end of the feed is connected to the annular radiator, and the other end of the feed is connected to the first radiation part in the opening. a first excitation part (143, 144) and a first radiation part (141, 142), wherein the first excitation part (143, 144) is disposed at a middle location of the first radiation part (141, 142); and a common-mode feed is disposed between the first radiation part (141, 142) and the first excitation part (143, 144), and the common-mode feed is one or two feeds, wherein the first excitation part comprises either a) two inverted L-shaped radiators that are not connected to each other; and one arm of each of the two inverted L-shaped radiators is connected to the first radiation part by using one feed, and ends of the two inverted L-shaped radiators away from the feed are away from each other; or b) a π-shaped radiator, and two ends in the middle of the π-shaped radiator are separately connected to the first radiation part by using two common-mode feeds; or c) a T-shaped radiator, and an end in the middle of the T-shaped radiator is connected to the first radiation part by using one feed; or d) an annular radiator provided with an opening, two ends of the opening of the annular radiator are separately connected to the first radiation part, one feed is disposed in the annular radiator, one end of the feed is connected to the annular radiator, and the other end of the feed is connected to the first radiation part in the opening. a) two inverted L-shaped radiators that are not connected to each other; and one arm of each of the two inverted L-shaped radiators is connected to the first radiation part by using one feed, and ends of the two inverted L-shaped radiators away from the feed are away from each other; or b) a π-shaped radiator, and two ends in the middle of the π-shaped radiator are separately connected to the first radiation part by using two common-mode feeds; or c) a T-shaped radiator, and an end in the middle of the T-shaped radiator is connected to the first radiation part by using one feed; or d) an annular radiator provided with an opening, two ends of the opening of the annular radiator are separately connected to the first radiation part, one feed is disposed in the annular radiator, one end of the feed is connected to the annular radiator, and the other end of the feed is connected to the first radiation part in the opening.