To test distinguish ability of electronic tongue on species and quality of Chinese herbal medicine.ASTREE electronic tongue

based on sensors matrix system is used to test Chinese herbal medicine of different species

different place origins and different production batches.All datas are processed by principal component analysis（PCA）method.The result demonstrates that the electronic tongue can not only distinguish 6 types of Chinese herbal medicine

but also has good identification ability on different production batches and different place origins of the same species.The results show that the electronic tongue has great application potential in the speies distinguish of Chinese herbal medicine.