Sulfonamide hapten, and preparation method and application thereof

The invention discloses a hapten, and a preparation method and application thereof, particularly a sulfonamide hapten. The invention also discloses a preparation method and application of the hapten. The kit quick detection product established on the basis of the sulfonamide hapten is convenient to use and low in detection cost; and the detection method is efficient, accurate and quick, can be used for simultaneously detecting mass samples, and is suitable for on-site supervision of sulfonamide residues in animal-derived samples and screening of mass samples.