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 . <EOS>