Background: Conflict management skill is an essential skill for an effective nurse leader. As inappropriate use of conflict resolution skills leads to degeneration of communication and poor working relationships particularly between nurse leader and their staff nurses. Aim:the current study aimed todetermine the relationship between conflict management strategies used by head nurses, and the quality of vertical dyad linkage at Port Said hospitals. Subjects and Methods: A descriptive correlational design was applied in this study on 31 head nurses and 203 staff nurses working in Port Said General Hospital and Port Said Health Insurance Hospitals, using two tools; the first was Thomas-Kilmann conflict mode instrument to assess head nurses' preferred conflict resolution strategies, and the second was vertical dyad linkage scale from staff nurses point of view. Results: The results of the present study showed more than two-thirds of head nurses (67.7%) used accommodating strategy as a primary method to resolve conflict, followed by compromising strategy used by 51.6% by them to resolve conflict and less than two third (64%) of staff nurses had a neutral relation with their head nurses. Conclusion: Based on the results of the present study, it can be concluded that, there was no statistically significance relation between conflict management strategies used by head nurses, and the quality of vertical dyad linkage in Port-Said hospitals. It was recommended that head nurses should use conflict management styles depending on the situation. In addition to, develop an in-group relationship with as many staff nurses as possible.