4、nFirst Center Hospital,Tianjin,300192,China)【Abstract】ObjectiveToanalyzethevalueofpositioningdiagnosisofVNG(Videonystagmograph)inpatientswithbenignparoxysmalpositionalvertigo(BPPV).Methods126patientswithBPPVwereenrolledinthisretrospectivestudy.TheirpositionalnystagmusrecordedbyVNGinDi