This product is an agricultural antibiotic type low-toxicity fungicide, with strong systemic permeability, as well as preventive and therapeutic effects, and its therapeutic effects are more significant. Its mechanism of action is to interfere with the esterase system of amino acid metabolism of pathogenic bacteria, destroy protein biosynthesis, inhibit the growth of mycelium and cause cell granulation, so that pathogenic bacteria lose their ability to reproduce and infect, so as to achieve the purpose of killing pathogenic bacteria and preventing diseases.