An electronic device, including a metal back cover, a ground radiator, a third radiator, and a metal frame including a first cutting opening, a second cutting opening, a first radiator located between the first cutting opening and the second cutting opening, and a second radiator located beside the second cutting opening and separated from the first radiator by the second cutting opening, is provided. An end of a first slot formed between the metal back cover and a first part of the first radiator is communicated with the first cutting opening, and a second slot formed between the metal back cover and a second part of the first radiator and between the metal back cover and the second radiator is communicated with the second cutting opening. The ground radiator connects the metal back cover and the first radiator and separates the first slot from the second slot.