The utility model provides an eiderdown recovery unit of tape drum fan relates to feather processing equipment technical field, including pond a, be equipped with the rail around an of pond, pond a right side is equipped with the water pump, is equipped with water pipe a between pond an and the water pump, and the water pump right side is equipped with the frame, is equipped with the water tank in the frame, is equipped with water pipe b between water pump and the water tank, and the water tank right side is equipped with the delivery port, and the frame right side is equipped with pond b, is equipped with the filter screen between frame and the pond b, and water tank upper portion is equipped with the cushion, and cushion upper portion is equipped with the air -blower, is equipped with the blast pipe on the air -blower, and pond b right side is equipped with the baffle. The utility model has the advantages of simple structure, easily operation and can retrieve and to recycle remaining the eiderdown in the waste water, air current that the air -blower provided drives the bottom that the eiderdown reachd the filter screen, and the collection of the eiderdown of being convenient for reduces staff's work load, the eiderdown rate of recovery of this device is high, practices thrift the cost, brings good economic benefits.