clusionandqualityinspectionAbstractObjective:studytheβ-poundofvolatileoilofrhizomaatractylodismacrocephalaeultrasonicmethodofpreparation.Methods:β-Cyclodextrininclusiontemperatureandproportionofvolatileoilofrhizomaatractylodismacrocephalae,packingtimeasavariable,ebyusingorthogonaldesignoptimizationprocessconditions,andbymeansofthin-plexeswereidentified.Inclusionofresultsofbestconditionsasfollows:volatileoilandratio8:1β-cyclodextrins,ultrasonictrasonictemperature40℃,timeto40min.Conclusion:Ultrasoundmethodusingβ-poundofvolatileoilofrhizomeatractylodismacrocephalaeclathrateisfeasible,goodpackingeffect,qualityassuranceofmanufacturedgoods,simpletechnology,equipmentdemandisnothigh,suitableforindustrialproduction.KeywordsAtractylodes;beta–cyclodextrin;naphtha;orthogonalexperiment;Ultrasonicmethod