Objective：Develop new natural characteristic plant to-bacco flavor.Methods：The volatile oil from the seeds， leaves and stems of Pelargonium odor atissimum was extracted by simulta-neous steam distillation solvent extraction(SDE) .The chemical components of volatile oilwereanal yzed by GC/MS，andthe effects of volatile oil from different parts of Cardamom geraniumin cigarette flavoring and conventional components of smoke werecompared.Results：The volatile oil of Cardamom geranium seeds wasmainlyterp in en-4-ol(110.54mg/g)，myristic in (81.81mg/g) ， β-p hell and rene (58.33mg/g) .Themain components of leaf essential oil were linalool(90.04mg/g) ， myr- istic in(59.09mg/g) terp in en-4-ol(39.69mg/g) .Thestem