A wall box for indoor and outdoor, comprising a box body, a box cover and a cable reversing structure for fixing on the wall. Wire inlet holes and wire outlet holes are arranged on both sides of the box body, the wire inlet hole is equipped with an optical fiber connector for receiving signals, and the wire outlet hole is equipped. with an adapter for receiving signals. An accommodating cavity is formed inside the box body, which is provided with a first opening on the upper part of the accommodating cavity and is covered on the upper side of the first opening of the accommodating cavity The accommodating cavity is fixed with a cable management structure. A sealing ring is arranged at the first opening and protrudes from the plane height of the first opening. A box body fixing structure is arranged on the outside of the box body.