Unbalanced development may bring about problems of social structure. From the perspective of mental health，social structure will affect the individual’s mental health. Therefore，this study will explore the impact of needs of a better life on the individual’s mental health. This study will use the method of questionnaire survey to evaluate the importance of individual’s needs for a better life and mental health status，and use multiple regression analysis to explore the impact of demographic variables and needs of a better life on mental health. The study also found that among different genders，ages，and education groups，the impacts of needs of a better life on mental health are slightly different.