Picoxystrobin is an organic compound with the chemical formula C18H16F3NO4 and low toxicity. It can be used as a systemic fungicide with broad-spectrum control, mainly used for the control of foliar diseases of wheat such as leaf blight, leaf rust, glume blight, brown spot, powdery mildew, etc. Compared with other methoxyacrylate fungicides, aminopyralid has stronger therapeutic effect on wheat leaf hu, web blotch and cloudy mildew.