To prevent the stitches of a net from being caught on the corners of a load and realize the improvement of the whole.

A load collapse prevention implement (3) on a pallet (1) comprises a central cloth (31) located at the top part of the load (2), left and right side cloths (32, 33) which are continuously suspended from the left and right of the center cloth, respectively, first extension cloths (36, 37, 38, 39) which are respectively continuous to the left and right of the left and right quadrangular cloths, second extension cloths (34, 35) which are continuously suspended from the front and rear of the central cloth, connecting members (50, 51; 52, 53) for detachably connecting the first extension cloths, and bands (42, 43) for connecting the second extension cloths with the pallet. Each cloth is a mesh sheet having the stitches of 1-3 mm.