Large-power LED ceiling light

The utility model provides a large-power LED ceiling light which mainly comprises a large-power LED and a radiator. The large-power LED is fixed on the surface of the radiator. The center of a lamp disc is provided with a groove that is internally provided with an open hole; the lamp disc is fixed on the radiator; the large-power LED protrudes on the lamp disc; and the large-power LED is arranged in a closed chamber that consists of a lamp shade and the lamp disc. The large-power LED ceiling light has the benefits that the radiator is positioned in the groove of the lamp disc and can effectively utilize the space of the whole light; the radiator is exposed to the air of the external side, can improve the contact with the air to a maximum degree and can improve the thermal radiation capability; the top plane of the radiator is higher than the lamp disc, and the air convection in the horizontal direction can be utilized fully to improve the radiating efficiency; a fixed bracket is higher than the top plane of the radiator; an air clearance is formed between the radiator and the ceiling of the room on which the ceiling light is arranged so that the air convection is formed above and below the radiator and the heat dissipation is quick.