Objective To explore the situation and relation between left-behind adolescents' life events and health quality,and provide scientific basis for the left-behind adolescent health quality promotion strategy. Method 825 left-behind adolescents had completed the multidimensional life events rating questionnaire and the multidimensional sub-health questionnaire of adolescents. Results Left-behind adolescents' major life events were from family life,healthy growth and school life.Left-behind adolescents' health quality was related with such factors as gender,residence,whether they were the only children,father's education,guardian's education,contact frequency between parents and children,parent-child relationship,the relationship between teachers and students,the partnership and the academic record.The study showed there was a positive correlation between life events and health quality.The dimensions of life events which had a significant effect on the left-behind adolescent's health quality were healthy growth,the parent-child relationship and the partnership (P<0.001). Conclusion Left-behind adolescents' healthy quality is influenced by the facing life events,therefore,the ability to deal with all kinds of life events and pressures should be cultivated among these left-behind adolescents.