| Problem of left-behind children has always been a hotspot of the researchers in recent years. In our country to have such a group, they were left-behind children, have now completed the compulsory stage of learning, study in a vocational high school. They were aged 15 to 19 years old, although it’s not a left-behind children, but staying experience they’ve ever had, and are now in a period of high incidence of adolescent alienation. High sense of alienation on the growth and development of young people have a lot of damage. High sense of alienation of adolescents may have behaviour problems and unhealthy addiction and other problems. Research studies of the sense of alienation of bias have been theoretical research, but also regarding other alienation of the left-behind children’s study. Therefore, this study suggests that alienation of vocational high school students who have left the investigation and intervention research is necessary.In this study, 3 vocational high school of 1100 students in the adolescent alienation scale questionnaire. And to feel alienated in the vocational school students left behind are Fang Shuren projective test, Fang Shuren compiles test results, looking for those who had served in College left behind paintings of strange features. Chose alienation from an average of more than 4 points for vocational high school students left behind 30, non-vocational high school students left behind 15, for an 8 to 15 former stay vocational high school students, each 90 minutes of art therapy, and investigate the effect of treatment on the subjects of painting. Results of this study are the following:(1) vocational and non-vocational high school students left behind left behind significant interpersonal alienation and alienation, not remarkable environment of alienation and social alienation.(2) senior, and senior vocational high school students in alienation, the difference was not significant, junior-vocational and non-vocational high school students left behind left behind no significant difference except on the environmental sense of alienation, there were significant differences in the other dimension. Different non-only-child to stay in condition of vocational high school students in no significant differences in the sense of alienation and its various dimensions. One-child alienation of vocational high school students left behind in higher vocational high school students left behind a sense of alienation.(3) vocational and non-vocational high school students left behind left behind there is no significant difference in gender.(4) vocational Fang Shuren painting has left behind 12 common characteristics, can be divided into emotional factors, family factors, interpersonal communication 3 factors, these paintings feature reliability be 0.711, has a certain validity.(5) through art therapy can reduce the alienation of vocational high school students left behind, paint treatment is long-term. This study puts forward the following recommendations on vocational sense of strangeness from the:(1) school teachers and parents concerned about staying in the usual experiences of vocational college students ’ psychological conditions. Entrance questionnaire assessment of mental health of freshmen at the same time, adding as much as possible projective test. Schools must cover all observations of students ’ psychological health.(2) the establishment of mental health education in school curricula and corresponding issues of vocational high school students lead the way. Promote knowledge of Psychology on issues such as alienation. Allow students to better know yourself, learn appropriate social skills and emotional management of psychological knowledge.(3) students to feel alienated, especially left behind experiences of vocational high school students, teaching them to establish a good social support system. |