Objective: The purpose of this study was to investigate the relationship between mental health and social adjustment. Methodology: The research method is descriptive survey and the statistical population is the staff of Ayatollah Rouhani hospital in Babol city. The number of members of the community was 1200 people. By using the Cochran formula, 291 individuals were randomly selected as samples. The data gathering tool was standard questionnaire for each component of mental health and social adjustment. Results: The data were analyzed using descriptive and inferential statistics using mean and standard deviation and Pearson correlation methods. Conclusion: The results showed that there was a negative and significant relationship between mental health and its components (physical symptoms, anxiety, disruption in action and social function, depression) and social adjustment.