An antenna module is disposed to an electronic device includes a fixed member, a rotating component, a reflector, a director, and an antenna unit. The electronic device includes a first body and a second body. The first body has a first surface and a second surface. The fixed member is disposed to the first body fixedly. The rotating component is connected to the fixed member rotatably. The reflector and the director are disposed to the rotating component. The antenna unit is disposed to the first body and between the reflector and the director. When the first body and the second body rotate relative to each other, the reflector is located between the antenna unit and one of the first surface and the second surface, and the director is located between the antenna unit and another one of the first surface and the second surface.