The effect of the different damage types of Basilepta melanopus Lefevre was researched on the component contents in fresh leaves of Lingtou Dancong tea plant.The results showed that Basilepta melanopus Lefevre's damage could evidently decrease the content of polyphenols and amino acid,while increase flavonoide content,its light damage could obviously increase soluble sugar content,middle damage could significantly increase catechin content,while severe damage could obviously reduce soluble sugar content.Its damage could change the component content in fresh leaves which benefited to improving the quality of Lingtou Dancong tea.