Wing and unmanned aerial vehicle

The invention relates to a wing and an unmanned aerial vehicle, the wing comprises a wing skeleton, a skin and an opening and closing cover, the skin covers the wing skeleton, the skin and the wing skeleton enclose an internal space of the wing, the skin is provided with an opening, the opening and closing cover is arranged on the skin, one side of the opening and closing cover is rotatably connected with the skin, and the opening and closing cover is used for opening or closing the opening; when the opening-closing cover is opened, the internal space is communicated with the outside. The opening and the opening and closing cover are arranged on the skin of the wing, and the opening is conveniently opened or closed through rotating opening and closing of the opening and closing cover, so that a structure arranged in the internal space of the wing is convenient to maintain or replace, the maintenance cost and the maintenance difficulty are reduced, the service life of the wing is prolonged, and the use experie