Introduction: With respect to increase of job stress and disease that arise from stress in work environments, purpose of this study was investigated job stressors as predictors of psychosomatic symptoms at staff of a company in Ahwaz.
 Materials & methods: The research method of this study was descriptive-correlational kind. Statistical population comprised of all personnel of a company in Ahwaz who worked at 1392. The sample consisted of 202employees, who were selected by simple random sampling method. The instruments that apply at this study consist of: negative act, effort-reward imbalance, job content, work-family conflict, organizational justice, psychosomatic symptoms in nonclinical context questionnaires. In order to analyze research hypothesis, regression analysis and Pearson correlation, and to validity analysis, Pearson correlation and confirmatory factor analysis were used. Findings: Results of Pearson correlation indicated that support and organizational justice had a significant negative relationship with psychosomatic symptoms and effort-reward imbalance, overcommitment, job strain, work-family conflict and bullying had a significant positive relationship with psychosomatic symptoms. Results of regression analysis indicated that predictive variables were able to predict 0/41% of psychosomatic symptoms variance and workplace bullying over commitment and work-family conflict were the best predictors of psychosomatic symptoms at staff.
 Discussion & Conclusion: With respect to the results, variables that apply at this study, special variables that had a great role should be regarded at schedules to reduce job ills and increase of staff health.