The invention relates to a garlic deep-processing machine, in particular to a chain type garlic peeling machine. The chain type peeling machine comprises a machine frame, a conveying mechanism and a peeling work room, wherein the conveying mechanism and the peeling work room are located on the machine frame; the conveying mechanism is located under the peeling work room; an electrical control box is arranged on one side of the peeling work room; an air tank and a fixing plate II are arranged in the peeling work room, the air tank is connected with a plurality of air blowing systems, each air blowing system comprises a ventilation straight rod and an air blowing rod fixed to the bottom end of each ventilation straight rod and horizontally arranged, and air outlet holes are formed in two ends of the bottom of each air blowing rod; the ventilation straight rods of every two air blowing systems are connected through a rotating assembly, and the rotating assembly drives the corresponding ventilation straight rods and the corresponding air blowing rods to rotate; the fixing plate II is located under the air blowing rods, and working rings corresponding to the air blowing rods are formed in the fixing plate II; a feed opening is formed in one end of the conveying mechanism, and a discharge opening is formed in the other end of the conveying mechanism; and a peel outlet sloping plate is correspondingly arranged below the peeling work room.