Abstract: Analysis of Glycyrrhizic Acid Trisodium Salt by Pyrolysis/GC/MSGu Yeilin; Hu Gunyuan(Department of Chemistry,Zhejiang University,Hanzhou 310027,China)Chen Yongkuan(Industrial Institute of Kunming Tobacco Co.)Abstract:The analysis of pyrolysis products of glycyrrhizic acid trisodium salt, which is extracted from tobacco, by Curie-point-pyrolyzer XP-12 combined with GC/MS is reported in the paper. 38 components are identified and the pyrolysis conditions are also studied. Keywords: glycyrrhizic acid trisodium salt, Pyrolysis/GC/MS,analysis