Zanthoxylum bungeanum oleoresin: an oily product containing all the flavor characteristics of Zanthoxylum bungeanum which is extracted from Zanthoxylum bungeanum. Each kilogram is equivalent to the aroma and numbness of 20-30 kilograms of Zanthoxylum bungeanum. It has stable properties and is used It disperses evenly without any residue and is an ideal raw material for preparing the aroma and numbness of peppercorns.