Plant volatiles are the chemical information existing popularly in nature, and could mediate the tritrophic plant-herbivore-carnivore interaction and influenc the structure and composition of insect community in the ecosystem. In this research, the volatiles of healthy tea plants, intact tea shoots and mechanically damaged tea leaves were analyzed, the emission of volatiles emitted from tea plants damaged by tea weevil (Myllocerinus aurolineatus), tea leafhopper (Empoasca vitis) and tea geometrid (Ec...