The invention discloses an anchor chain span wire trash holding row. The anchor chain span wire trash holding row aims to solve the problem that a wharf boat trash holding row, a steel wire rope trash holding row and a mooring rope trash holding row are too high in manufacturing cost or short in service life or low in safety. The anchor chain span wire trash holding row comprises an anchor chain as a main span wire, a plurality of floating boxes connected to the main span wire, a trash holding net hung on the lower portions of the floating boxes and plummets arranged on the lower portion of the trash holding net. Floating box lock rings are arranged on the floating boxes in a sleeved mode, and the floating box lock rings are connected to the anchor chain through U-shaped hanging rings. The anchor chain is arranged on the upstream side of the trash holding net. The anchor chain span wire trash holding row is good in trash holding effect, long in service life and high in safety performance.