The party and the state clearly pointed out the importance of mental health in the “Health China 2030” Outline. In recent years，the assessment of the people’s mental health level has focused on the overall sample and its negative aspects. This study is more comprehensive. The land examines the mental health of the people from both positive and negative aspects，and distinguishes the mental health of different groups through the macro level of the regional and urban development level and the micro level of gender，birth age，education level and monthly income. The results showed that the overall mental health of the sample was good，and the positive and negative aspects of mental health were closely related. On the positive side，the individual’s personal growth and positive relationship scores were higher，and on the negative side，the stress status score was higher. At the macro level，individuals in different regions and different levels of urban development had certain differences in their mental health. At the micro level，individuals with different genders，birth years，education levels，and monthly incomes also had certain differences in their mental health.