Abstract:The object of study in Guiyang City 3001 city residents for low carbon energy use behavior, take the questionnaire survey and random interviews and through cluster analysis on low carbon energy use behavior and psychological variables on family demographic characteristics of heterogeneous factors is discussed microscopically. The results showed that: (1) there is inverse relationship between city residents and the coexistence of low carbon energy use behavior and psychological factors; (2) according to the classification and psychological characteristics variables using the behavior of low carbon energy, city residents will be divided into neutral coordination theory and low carbon, two groups, the whole body with low carbon energy use the majority of the population; (3) two kinds of different groups in family heterogeneity in gender and age, occupation, family income, family type and other factors have significant differences among women and young age in low carbon behavior is more positive, household disposable income is higher in low carbon energy investment on the more positive, more the number of population and family structure in low carbon energy use less, different degree constitute differences in low carbon.