The present invention discloses a mixed herbicide containing aminopyralid and clomazone, which belongs to the technical field of pesticides. The main active ingredients in the herbicide are aminopyralid and clomazone, and the weight ratio of aminopyralid to clomazone is 0.1-80:0.1-80. The present mixed herbicide is useful in weed control in non-arable land, orchards, woodland, corn fields, and rapeseed fields, and has the advantages of quick action, broad herbicidal spectrum, long-lasting effect, thorough weed eradication, low residue, low toxicity, safety, and environmental friendliness, thus being a good chemical herbicide for non-arable land, orchards, woodland, corn fields, and rapeseed fields.