The invention relates to a mining lamp, in particular to a multi-channel water-cooled LED mining lamp. The multi-channel water-cooled LED mining lamp comprises a high-power LED lamp body and a reflective bowl which are mounted at the bottom of a heat-dissipating body; the illuminating part of the high-power LED lamp body is positioned in the reflective bowl; the aluminum substrate and the driving power source of the high-power LED lamp body are positioned in a mounting cushion cap hole at the bottom of the heat-dissipating body; the driving power source of the high-power LED lamp body is connected with an external lead wire which penetrates through the heat-dissipating body, and connected with the aluminum substrate of the high-power LED lamp body through a lead wire; the heat-dissipating body is cylindrical; through holes are formed in the upper part along the transverse direction of the heat-dissipating body; connecting pipes are arranged at the inlets and/or outlets of the through holes; and at least two positioning screws are arranged on the outer wall bodies of the connecting pipes. By adoption of the above structure, the multi-channel water-cooled LED mining lamp provided by the invention has the advantages that the structure is simplified, the manufacturing cost and the mounting cost are reduced, the service life is prolonged, and the usage cost is reduced.