Foldable pillow

A foldable pillow comprises a first pillow inner and a second pillow inner, containing boxes are arranged in the first pillow inner and the second pillow inner, a plurality of air bags are arranged below the containing boxes at equal intervals, an air nozzle is arranged at one end of each air bag, a first neck pillow is arranged on one side of the first pillow inner, a second hook-and-loop fastener is arranged on the surface of the first neck pillow, and a second hook-and-loop fastener is arranged on the surface of the second neck pillow. A second neck pillow is arranged on one side of the second pillow inner and located on the same horizontal plane with the first neck pillow, a second hook-and-loop fastener is arranged on the surface of the second neck pillow, smooth concave faces are arranged on the top surfaces of the first pillow inner and the second pillow inner, and a first hook-and-loop fastener is arranged on the bottom surface of the first pillow inner. A first hook-and-loop fastener is arranged on t