Azoxystrobin is a light brown crystalline solid, slightly soluble in hexane and n-octanol, soluble in methanol, toluene and acetone, and easily soluble in ethyl acetate, acetonitrile and dichloromethane. Pyrimethoxy is a fungicide of methoxy acrylates. It is a broad-spectrum and highly effective fungicide. It has the characteristics of good internal attraction, good permeability, long duration and so on. It can protect, cure and eradicate almost all fungal diseases. It is used not only in spray of stems and leaves, but also in seed treatment and soil treatment. There are more than 400 fungicides registered in China's Pesticide Control Institute, which is also the most registered fungicide.