An electronic device comprising: a touch panel; a front case comprising: a front case body; and a laser direct structuring antenna stand affixed to the front case body, the laser direct structuring antenna stand configured to serve as an auxiliary antenna of the electronic device, wherein the front case body is provided with a through hole matching a shape of a feeding point of the laser direct structuring antenna stand; and the laser direct structuring antenna stand is adhered to a front surface of the front case body by dispensing an adhesive, and the feeding point of the laser direct structuring antenna stand extends through the through hole to a back surface of the front case body, wherein the laser direct structuring antenna stand has a thickness of 0.5 mm; and a main board, wherein the touch panel is adhered on the front surface of the front case body to which the laser direct structuring antenna stand is adhered; the main board is provided with an antenna elastic piece connected to the feeding point of the laser direct structuring antenna stand, the main board is fixedly disposed on a back surface of the front case body, and the feeding point of the laser direct structuring antenna stand extends through the through hole to the back surface of the front case body to be in contact with the antenna elastic piece on the main board, the electronic device further comprises a battery case, wherein the battery case is formed having three sections, both of an upper section of the battery case and a lower section of the battery case are configured to act as main antennas of the electronic device, and a middle section functions to isolate the upper section and the lower section. a touch panel; a front case comprising: a front case body; and a laser direct structuring antenna stand affixed to the front case body, the laser direct structuring antenna stand configured to serve as an auxiliary antenna of the electronic device, wherein the front case body is provided with a through hole matching a shape of a feeding point of the laser direct structuring antenna stand; and the laser direct structuring antenna stand is adhered to a front surface of the front case body by dispensing an adhesive, and the feeding point of the laser direct structuring antenna stand extends through the through hole to a back surface of the front case body, wherein the laser direct structuring antenna stand has a thickness of 0.5 mm; and a front case body; and a laser direct structuring antenna stand affixed to the front case body, the laser direct structuring antenna stand configured to serve as an auxiliary antenna of the electronic device, wherein the front case body is provided with a through hole matching a shape of a feeding point of the laser direct structuring antenna stand; and the laser direct structuring antenna stand is adhered to a front surface of the front case body by dispensing an adhesive, and the feeding point of the laser direct structuring antenna stand extends through the through hole to a back surface of the front case body, wherein the laser direct structuring antenna stand has a thickness of 0.5 mm; and a main board, wherein the touch panel is adhered on the front surface of the front case body to which the laser direct structuring antenna stand is adhered; the main board is provided with an antenna elastic piece connected to the feeding point of the laser direct structuring antenna stand, the main board is fixedly disposed on a back surface of the front case body, and the feeding point of the laser direct structuring antenna stand extends through the through hole to the back surface of the front case body to be in contact with the antenna elastic piece on the main board, the electronic device further comprises a battery case, wherein the battery case is formed having three sections, both of an upper section of the battery case and a lower section of the battery case are configured to act as main antennas of the electronic device, and a middle section functions to isolate the upper section and the lower section.