To study the psychological health status of quasi-migrant in Danjiangkou reservoir area. The stratified multi-stage cluster sampling method was used in this study. We also used the self-designed questionnaire of basic information and SCL-90 to investigate 575 quasi-migrants and 564 residents that don’t move in Xichuan. 1. According to quasi-migrants and residents that don’t move, the differences in gender, age and annual household income are statistically significant (P<0.05).2. According to the results of SCL-90, the positive rate of psychological problem was higher in quasi-migrants than that of residents that don’t move(χ 2=5.263，P<0.05);3. Compared with those of immigrants that don’t move, we found that the quasi-migrant got higher scores (except somatization and additional projects), and the differences are statistically significant (P<0.05); 4. The multiple linearity regression models is making with SCL-90 total score as dependent variable and 17 factors as independent variables, it reveals that factors influencing total stress-score included relocation areas, annual household income, the law and order situation, and culture degree（ß＝-0.12579，2.91749，-1.33789，5.50881）. The mental health of quasi-migrant exists certain problems, so it needs to provide certain psychological intervention measures and build effective psychological counseling mechanism, in order to accomplish relocation.