Pestman vinegar fly attractant is tailored to the habits of the fruit scent olfactory organ, using a combination of “background scent” and “main attractant scent” to simulate the natural fruit fragrance of the vinegar fly. Combined with molecular membrane technology and enzymatic hydrolysis technology, the long-term stable and attractive, wave-like odor, so that the vinegar fly more accurately find the source of the smell, falling into the trap.