An electronic device, comprising: a casing, a first conductor, and a second conductor, wherein an insulation member and an elastic piece connection structure are arranged in the casing, the elastic piece connection structure is detachably connected to the second conductor through the insulation member, at least one of the first conductor and the second conductor is arranged on the casing, and the first conductor abuts against and is in conduction with the second conductor through the elastic piece connection structure wherein the elastic piece connection structure comprises a first connection end and a second connection end that are connected to each other, the first connection end comprises a first contact portion, the first contact portion elastically abuts against and is in conduction with the first conductor inside the electronic device, the second connection end is detachably connected to the insulation member inside the electronic device, and the second connection end abuts against and is in conduction with the second conductor inside the electronic device, wherein the second connection end covers a partial surface of the insulation member, and abuts against and is in conduction with the second conductor; the second connection end comprises a substrate and a second contact portion, the second contact portion extends from an edge of the substrate and covers the partial surface of the insulation member, the second contact portion abuts against and is in conduction with the second conductor, and the second connection end is engaged with the insulation member through the second contact portion; a first end of the second contact portion is connected to the substrate, and a second end of the second contact portion extends from the edge of the substrate to a side of the insulation member opposite to the substrate; the second contact portion comprises an insertion segment inserted into the insulation member, the insertion segment extends from an edge of the second end, and the insertion segment is inserted on the insulation member; and the second conductor is a reference ground on a middle frame of the casing. the second connection end covers a partial surface of the insulation member, and abuts against and is in conduction with the second conductor; the second connection end comprises a substrate and a second contact portion, the second contact portion extends from an edge of the substrate and covers the partial surface of the insulation member, the second contact portion abuts against and is in conduction with the second conductor, and the second connection end is engaged with the insulation member through the second contact portion; a first end of the second contact portion is connected to the substrate, and a second end of the second contact portion extends from the edge of the substrate to a side of the insulation member opposite to the substrate; the second contact portion comprises an insertion segment inserted into the insulation member, the insertion segment extends from an edge of the second end, and the insertion segment is inserted on the insulation member; and the second conductor is a reference ground on a middle frame of the casing.