Industrialproductionprocessincludingnitricacidproductionisanimportantgreenhousegasemissionsource.AlthoughIPCCguidelineshavegivencalculationmethodsandemissionfactorsforN2Oemissionfromnitricacidproduction,emissionfactorsofnitricacidproductioninChinaarenotgiven.AnditcanbeseenfromthecomparisonoftheguidelinesandregisteredCDMprojectsinChinathattheN2OemissionfactorsgivenintheIPCCguidelinesandactualN2OemissionfromnitricacidproductioninChinadiffergreatlywhilemeasuredN2Oemissiondataisnotavailable,sodeterminationofemissionfactorsforN2OemissionfromnitricacidproductionisanimportantbasicresearchforN2OemissioncalculationinChina.ThemethodthatcalculateN2OemissionfactorsfromnitricacidproductioninChinaisstudiedwithbaselineemissionfactorsbasedonactualmeasurementofregisteredCDMprojectsandthecalculatedemissionfactoriscomparedwiththatgivenintheIPCCguidelinesinthetext.