Abstract: A work light includes a light source assembly, a light casing, and a joint assembly. The light source assembly includes a light housing, a light source housed in the light housing, and a swing arm rearwardly extended from the light housing, wherein the swing arm has a rotatable slot formed thereat. The light casing includes a base casing and a top casing coupled thereon to cover a top opening of the rotatable slot. The joint assembly includes a rotatable axle upwardly and rotatably extended from the base casing through a bottom opening of the rotatable slot, and a coupling shaft downwardly extended from the top casing to the base casing through the rotatable axle, so as to rotatably couple the light source assembly at the light housing.