A fill light includes a lighting assembly, a supporting assembly and a device holder that is capable of being supported by the supporting assembly, wherein the lighting assembly includes a lighting body, a retainer and a base, wherein the lighting body is pivotally coupled to the retainer, wherein the retainer is adjustably arranged on the base, wherein the base retains and supports the retainer on the supporting assembly, wherein the retainer supports the lighting body, so as to allow the lighting body to form a fill lighting area by illumination of the lighting body, wherein when a photographing device is held by the device holder, the lighting body provides fill lighting for the photographing device.