Flucarbazone is within the sulfonylurea herbicide type efficient fields, to see wild oats, oats, wheat niang and other gramineous weeds and many have obvious control effect to graminaceous weeds. It is a new kind of compound, its effective ingredients can be absorbed by the root and stem leaf of weed, acetyl lactic acid synthetase activity by inhibiting weed, destroy the weeds in the normal physiological and biochemical metabolism and herbicidal activity. Can effectively control the fields most gramineous weeds, at the same time, it can effectively control part of the broadleaf weeds. In wheat metabolism of the body can be quickly, on wheat has the very good security.