An LED light fitting comprises a radiator, an LED module, a lamp hanger and a waterproof gasket; wherein, the LED module is closely arranged on the radiator, the lamp hanger arranged at the periphery of the radiator in a surrounding way, and the waterproof gasket is clamped between the radiator and the lamp hanger and has a wedge shaped cross section. The waterproof gasket of the LED light fitting has the wedge shaped cross section and is clamped between the radiator and the lamp hanger, and a gap between the radiator and the lamp hanger is sealed since the structure of the waterproof gasket is matched with those of the radiator and the lamp hanger of the LED light fitting, so that the waterproof gasket can play the role of being waterproof. As the waterproof gasket of the LED light fitting does not need to be matched with the structure of a waterproof groove, the whole structure of the LED light fitting is simplified, and the LED light fitting can be conveniently produced and manufactured.