The invention discloses a subsoiling, infiltrating irrigation tube laying and fertilization joint operation implement, which comprises a chassis, a subsoiling mechanism, a tube laying mechanism and a fertilization mechanism. The subsoiling, infiltrating irrigation tube laying and fertilization combination operation implement is characterized in that: the subsoiling mechanism, which is mounted on the chassis, comprises subsoiler blades, subsoiler stems and subsoiler fixing sleeves; the tube laying mechanism comprises tube reel supports, tube reel shafts, tube reels and infiltrating irrigation tube laying ducts; the fertilization mechanism comprises a fertilization box, a fertilization box support, fertilization tubes, land wheels and a land wheel driving part. The implement can carry out the joint operation of subsoiling, infiltrating irrigation tube laying and fertilization, so the efficiency of cultivation is high.