A device for the treatment of cellulite comprising means for massaging by suction, a quadrangular body (3) with a plurality of support elements (31), at least one for every vertex of the body, where said support elements (31) end in a rounded tip (32) that is in contact with the skin (5) to be treated and that is characterised in that a plurality of laser emitters (1) are housed on the quadrangular body, whereas a plurality of current emitter electrodes (2) are housed on the support elements (31), at least one per support element; and wherein said electrodes (2) define an area (4) on the skin (5) where there is a combined action of emission (41) from the plurality of lasers (1) and from the currents generated by the electrodes (2).