The present invention provides a neck support including a neck wear, two support devices, and a ventilation device. The neck support is worn on humans neck. The support devices are provided on the neck wear, each of which has a jaw pad, a first tongue pad and a second tongue pad. The jaw pads are on a back of humans jaw to push humans jawbone forward, the first tongue pads are on a bottom of humans jaw to push a root of humans tongue, and the second tongue pads are on the bottom of humans jaw to push a middle of humans tongue. The jaw pads and the first tongue pads may hold humans tongue to keep the respiratory tract unobstructed, and the second tongue pads and the ventilation device help people breathing to avoid snore.
