A work lamp comprises a supporting frame and a lamp body, wherein the lamp body comprises a lamp base and at least two lamp holders, the lamp base is provided with an axial installing portion axially arranged along the lamp base and a radial installing portion arranged on the peripheral wall of the lamp base, the axial installing portion and the radial installing portion can form installation matching with the supporting frame, at least two lamp holders are rotatably arranged on the peripheral wall of the lamp base, the lamp holders are closed up to surround the peripheral wall of the lamp base and the front sides of the lamp holders are forward in the state that the axial installing portion is matched with the supporting frame, and the lamp holders are unfolded to a plane perpendicular to the peripheral wall of the lamp base and the front sides of the lamp holders are face the same side in the state that the radial installing portion is matched with the supporting frame. When the axial installing portion is matched with the supporting frame, the lamp holders of the work lamp can be closed up to surround the peripheral wall of the lamp base and perform 360-degree illumination; when the radial installing portion is matched with the supporting frame, the lamp holders can be unfolded to the plane perpendicular to the peripheral wall of the lamp base and face the same direction for centralized illumination, and the work lamp is very flexible and convenient to use.