The present disclosure discloses a wall mount device adapted to be fixed to a wall surface and carry an electronic device with connecting wires. The wall mount device comprises a wall mount, a first and a second wire arrangement component. The wall mount has an upper and a lower surface. The upper surface faces the wall surface and the lower surface faces the electronic device. The first wire arrangement component is positioned on the lower surface and adjacent to a first side of the wall mount. The second wire arrangement component is positioned on the lower surface and adjacent to a second side vertical to the first side of the wall mount. The connecting wires are sequentially and detachably accommodated in the first and the second wire arrangement component from the electronic device to fix the connecting wires to corresponding positions on the wall mount.