Abstract: Aromatic components of Kodingch ( Ilex kodingcha Tsang) were analysed by applying steam distillation extraction GC,GC/MS and other methods. In one hundred and forty-six separated peaks, Ninety-one constituents were identified. The major constituents were Hexadecanoic acid, 9,12-Octadecaiendoic acid (Z,Z)-,1,2-Benzenedicarhboxylic acid,diisooctyl ester,1,2-Benzenedicarboxylic acid bis(1-methy-hepty1) ester,Di-N-octy1 Phthalate, Cyclohexene 1-methy1-etheny1)-,Butylated hydroxytoluene and 2-Coumaranone, respectively.