The invention discloses an efficient wave-crest tin-soldering machine, and belongs to the technical field of wave-crest tin-soldering machines. The efficient wave-crest tin-soldering machine comprises a machine stand, a tin furnace arranged on the machine stand and a supporting frame arranged below the tin furnace, wherein a mounting channel is mounted on the machine stand; the supporting frame and the tin furnace are connected to the mounting channel in a sliding manner; the supporting frame comprises a movable part and a lifting part; the movable part comprises a frame base, a plurality of universal wheels arranged on the bottom of the frame base and a displacement regulating mechanism; the displacement regulating mechanism comprises two positioning bases, a lead screw, a regulating hand wheel and a threaded pushing block; the universal wheels are further equipped with folding mechanisms; the lifting part is connected to the movable part and the tin furnace; the lifting part comprises a plurality of rod bases, a plurality of supporting rods, a connecting plate, a plurality of connecting rods, and a lifting regulating mechanism arranged on the supporting rods; and the lifting regulating mechanism comprises a fixed tooth arranged on each supporting rod, a transmission chain which surrounds the outer sides of the plurality of the fixed teeth, and a lifting regulating wheel arranged on one fixed tooth. The efficient wave-crest tin-soldering machine can be used for quickly regulating the position of the tin furnace to shorten time of operations such as maintenance, so that working efficiency is improved.