Fuente: WIPO "tomato" The present application discloses a derivative containing a chiral thioether and sulfone units, a preparation method therefor, and a use thereof. The derivative containing a chiral thioether and sulfone units can be applied to the preparation of an agent for preventing and controlling bacterial leaf blight of rice, bacterial leaf streak of rice, citrus canker, tobacco bacterial wilt, anthracnose of cucurbits, tomato bacterial wilt, watermelon bacterial fruit blotch, bacterial soft rot of cabbage, peach shot hole disease, and black rot of cabbage. The derivative containing a chiral thioether and sulfone units in the present application has characteristics of being bactericidal across a broad-spectrum and having high activity, shows excellent preventive and control effects against bacterial diseases, and has simple and easy preparation steps and low production costs.