Weeding composition containing oxadiargyl and clodinafop-propargyl

The invention provides a weeding composition. The weeding composition comprises oxadiargyl and clodinafop-propargyl which serve as effective ingredients in a mass ratio of (1-50):(50-1). In the preparation, the total mass of oxadiargyl and clodinafop-propargyl is 1-80 percent of the mass of the whole preparation, and the balance composition is auxiliaries which are permitted and accepted in pesticide. The weeding composition can be missible oil, suspending agent, wettable powder, water dispersible granules, water emulsion, microemulsion and microcapsules. The weeding composition has wide herbicide controlling spectrum, and can be used for effectively preventing and removing massive broadleaf weeds.