Sodium 5-nitroguaiacol is the most active monomer in sodium nitrophenolate, and has been designated and recommended as a green food engineering plant growth regulator by the United Nations and the Food and Agriculture Organization (FAO). It has a very obvious synergistic effect in the compounding of fertilizers, pesticides, fungicides, and seed coating agents; when applied in animal husbandry and fishery, it can significantly improve the yield and quality of meat, eggs and skins, and also It can enhance the immunity of animals and prevent various diseases.