The invention relates to an oil-absorption fence which is an overwater environmental-friendly device, is the best cleaning product for controlling overflow oil and absorbing oil, and is a environmental-friendly tool for treating pollution on the water levels of sea, river, lake, and the like. The oil-absorption fence comprises a floater, a skirt body, a screen drum, a counter weight chain and end borders, wherein the skirt body is arranged on the lower part of the floater; the screen drum is arranged on the lower part of the skirt body; the counter weight chain is arranged in the screen drum; the end borders are arranged at two ends of the floater, the skirt body and the screen drum; a plurality of air holes are arranged on the end borders; a copper air drain is arranged on the air hole; a safety connection button is arranged on the copper air drain; the floater is provided with a nylon yarn net bag; a non-woven fabric bag is arranged in the nylon yarn net bag; an oil-absorbing cotton is filled in the non-woven fabric bag; the upper part of the floater is provided with a reinforcing brace I; a reinforcing brace II is arranged between the floater and the skirt body; a reinforcing hoisting brace is arranged between the reinforcing brace I and the reinforcing brace II; and the skirt body is formed by sewing a double-layer nylon yarn net and is sewn on the lower part of the floater so as to form an anti-seawater vortex net.