Background: The pandemic of the Coronavirus has already had a huge impact on practically every aspect of human life, particularly the health-care sector. As a result, organizations must be well-prepared for crisis management while preserving a healthy workforce's sincere commitment. Aim of the study: To determine the effect of an educational program about organizational preparedness for crisis management on organizational commitment and occupational stress in the time of Covid19. Study design: Quasi-experimental design with one group pre and post-test assessment was utilized. Study setting: The study was carried out at Benha Teaching Hospital in benha city at Qalubia governorate affiliated to the Ministry of Health. Study Subjects: A convenient sample of all available head nurses from the above-mentioned study setting (60) head nurses within inclusion criteria Tools: Four tools were used to collect the data as follows; (I): Knowledge about Crisis Management Questionnaire, (II): Perceived organizational preparedness for Crisis Management Scale, (III): Organizational Commitment Questionnaire and (IIII): Nurses Occupational Stress Scale. Results: There was an improvement in Mean scores and St-deviations of head nurses' total level of knowledge and perception regarding hospital preparedness for crisis management, organizational commitment, and occupational stress immediately after program implementation Conclusion: Providing an educational program about "organizational preparedness for crisis management" was effective in improving head nurses' knowledge and perception levels regarding hospital preparedness for crisis management and improved head nurses' commitment and occupational stress Recommendations: Hospital managers have to arrange awareness programs about "Preparedness for crises management" for all hospital staff, and make sure that all staff members know their roles, and responsibilities during facing crisis.