An antenna for receiving electric waves, a manufacturing method thereof, and an electronic device with the antenna are provided. The antenna includes a substrate, a grounding unit, a radiator, a coupling unit, and a signal transmission line. The substrate has a first surface and a second surface which are opposite to each other. The grounding unit is disposed on the first surface of the substrate. The radiator is disposed on the second surface of the substrate and connected to the grounding unit. The coupling unit is disposed on the first surface of the substrate and partially overlaps the projection of the radiator. The signal transmission line includes a signal line and a ground line, the signal line being connected to the coupling unit while the ground line being connected to the grounding unit.