Mixed herbicide containing imazamox and lactofen

The invention discloses a mixed herbicide containing imazamox and lactofen. The herbicide adopts the imazamox and the lactofen as main active components, wherein the mass ratio of the imazamox to the lactofen is (0.1 to 80) to (0.1 to 80). The mixed herbicide provided by the invention is applied in post-emergence weeding of a soybean field, and has the advantages of broad spectrum, quick effect, high efficiency, low toxicity, safety, environment protection and the like.