Nursing managers should enjoy appropriate competency level and knowledge that enhance their creative problem solving style. Aim of the study: The present study aimed to assess perceived nursing manager's competency, determine problem solving styles of nursing managers and detect the relation between nursing mangers' competency and their problem solving styles. Subjects and methods: a descriptive correlation design was utilized to attain the aim of the present study. The study sample included 97 nurse mangers working in Mansoura university hospital data was collected with using tool consisted of three parts: personal characteristics, Nursing Manger Competency Inventory (NMCI), and four sight problem solving style inventory. Conclusion: Majority of nursing mangers had moderate level of competency. Majority of nursing mangers had developer problem solving style and problem solving style level was moderate as perceived by the studied sample. There was significant relation between nursing manger competency level and problem solving style. Recommendation: Provide training programs to nursing mangers to enhance their competency level. Provide training programs about the importance of creativity for enhancing organization ability and efficiency, and how mangers can use their problem solving styles effectively. Draw up visions of nursing management in the future by health care organizations.