Light -emitting diode (LED) ceiling lamp

The utility model discloses a light -emitting diode (LED) ceiling lamp, include: the lamp body, aluminium base board is through insulation heat conduction glue and the fixed water -cooling piece of aluminium top surface of the substrate to and be fixed in the radiating block of lamp body outer wall, be equipped with a plurality of second water courses in the radiating block, the inner chamber of each second water course is hollow circular cylinder shape inner chamber, the inner wall arch of each second water course has a plurality of round platforms shape boss, boss in the same second water course, their axle center is perpendicular with the axle center of this second water course, boss in the same second water course, they lie in same cylindrical spiral line with the junction of this second water course inner wall, and this cylindrical spiral line uses the inner wall of this second water course to extend as the face of cylinder, the axial spiral of just following this second water course, on the periphery wa