To provide a round haul net having a reduced cost, capable of reducing the equipment and the manpower, and capable of achieving an efficient operation, and further to provide an operation method by using the round haul net.

The reticulation 40 of a tunnel net part within a prescribed range at the hauling side is formed larger than the reticulation 40 of the tunnel net part at the fish-catching side except the range in the tunnel net part, and a pursing line 42 is arranged from the fish-catching side of a sinker side edge part 9 to the hauling side over the length shorter than the whole length of the sinker side edge part. The end part at the hauling side of the pursing line 42 is joined to the corresponding position of the sinker side edge part 9 corresponding to the end part at the hauling side.