The invention relates to a large-sized seedling transplanting construction device, and belongs to the technical field of landscape construction. The large-sized seedling transplanting construction device comprises soil balls (1), a flexible permeable hose (2), rubble (3), a sand prevention net (4), mixed loam (5), planting soil (6), a PVC (polyvinyl chloride) exhaust pipe (7), a retaining ring (8), a covering (9), a wood board (10), pillars (11), burlap (12) and a trunk (13). The device can transplant all kinds of large-sized seedlings, ensure the robustness of plants, improve the survival rate of the transplanted seedlings, purify air, reduce dust and noise hazards, and adjust the temperature and humidity of air, and is in line with national energy saving and environmental protection requirements.