Abstract: Objective To understand psychologically health condition and its inlfuencing factor in farmers losing farmland because of social development for policy making.Methods Stratified clustering random sapmling was used to select farmers from two communities of Xuzhou city.Symptom check list-90(SCL-90)was adopted in the survey.Results The prevalence of mental problems was 42.5%(442)among 1041 participants with qualified information.The total score of SCL-90 and scores of somatization,anxious,hostile,terror,illiberality and neurosis were higher than that of farmers with farmland.There sults of multi factor analysis showed that elder age,bad health status,without help of family members,lack of contacts with others and dissatisfaction to governmental assistance were risk factors of mental disorders among farmers losing farmland.Conclusion There is individual difference in mental health status and occupation,age,sex,education level,marital and the family status social security condition,individual habits and customs are influence factors of mental health among farmers losing farmland.