An electronic device is provided in the present disclosure, and the electronic device includes a middle frame, a heat transfer unit, a shielding case, a heat source and a radiator. The middle frame includes a first surface. The heat transfer unit is disposed on the first surface. The shielding case is spaced apart from the heat transfer unit and is provided with a shielding cavity. The heat source is disposed between the heat transfer unit and the shielding case and includes a circuit board disposed on the heat transfer unit and a first heat source component disposed on the circuit board, the first heat source component is disposed in the shielding cavity. The radiator is configured to dissipate heat from the shielding case and/or the heat source.