1 Overview Xiaoya Chen, Xiaoquan Qi and Li-Xin Duan 2 Gas Chromatography Mass Spectrometry Coupling Techniques Zhen Xue, Li-Xin Duan and Xiaoquan Qi 3 LC-MS in Plant Metabolomics Guo-dong Wang 4 Nuclear Magnetic Resonance Techniques Fu-Hua Hao, Wen-Xin Xu and Yulan Wang 5 Multivariate Analysis of Metabolomics Data Jun-Fang Wu and Yulan Wang 6 Metabolomic Data Processing Based on Mass Spectrometry Platforms Tian-lu Chen and Rui Dai 7 Metabolite Qualitative Methods and the Introduction of Metabolomics Database Li-Xin Duan and Xiaoquan Qi 8 Plant Metabolic Network Shan Lu 9 Applications of LC-MS in Plant Metabolomics Guo-dong Wang 10 Application of Metabolomics in the Identi?cation of Chinese Herbal Medicine Li-Xin Duan, Xiaoquan Qi, Min Chen and Lu-qi Huang 11 Metabolomics-Based Studies on Artemisinin Biosynthesis Hong Wang, Hua-Hong Wang, Chen-Fei Ma, Ben-Ye Liu, Guo-Wang Xu and He-Chun Ye 12 NMR-Based Metabolomic Methods and Applications Chao-Ni Xiao and Yulan Wang 13 Metabolomics Research of Quantitative Disease Resistance Against Barley Leaf Rust Li-Juan Wang and Xiaoquan Qi