Background: Management of moral values in the workplace leads to the legitimacy of management practices and cultural cohesion and balance.  At the same time, strengthening the staff's self-control provides a cultural platform to strengthen the staff's experience and knowledge. This study examines the analysis of relationship between professional ethics with knowledge sharing; mediating role of self-control.
Method: The study was descriptive-correlational. The statistical population includes all employees of the Court of Audit in the administrative areas of the provinces; Golestan, Mazandaran, North Khorasan, South Khorasan and Razavi Khorasan. Due to the limitations of the community, all of it was selected as a sample. The research tool was 3 standard questionnaires. Structural equation modeling method was used to analyze the data using PLS and SPSS software.
Results: The estimated coefficient of T-statistic in relation to employees' professional ethics on knowledge sharing was equal to 0.543. Therefore, the professional ethics of employees has a significant relationship with knowledge sharing and self-control has mediated the relationship between professional ethics of employees and knowledge sharing.
Conclusion: The paradigm that has been proposed in order to share the individual knowledge of employees, share learning opportunities and strengthen its motivation in the organization, indicates the need to share knowledge to be spread and common in all parts of the organization.