Background: Head nurses are the important portion in nursing administration. The responsibilities of head nurses are to manage the nurses properly and provide the best quality of care to the patients. Thus, the provision of the supportive leadership can retain the employees in the long run and better health care services can be ensured. Aim of the Study: The aim of the current study was to determine The effect of head nurse's leadership style on their nurses' turnover intention at the Minia General Hospital. Research Question: Is the head nurse's leadership style affecting their nurses' turnover intention? Research Design: A descriptive correlational research design was utilized to achieve the aim of the current study. Setting: The study was conducted at Minia General Hospital. Sample: The subjects of the study consisted of (232) staff nurses working in Minia General Hospital. Tools of data collection: included two tools; first tool: the leadership style questionnaire; second tool: turnover intention questionnaire. Results: there was a positive correlation between autocratic style and turnover intention. Furthermore, about the third quarter of staff nurses had an intention to leave the hospital. Conclusion: the result indicated that the dominantly style by head nurses was an autocratic leadership style that lead to a high desire of staff nurse turnover intention.