Emergency and disaster management is essential for healthcare preparedness, with nurses playing a crucial role. The World Health Organization (WHO) defines emergencies as immediate threats to human health, life, property, or the environment. Disasters, on the other hand, are sudden or prolonged events that cause significant disruption and exceed a community's ability to cope. They can be natural or human-made. Disaster management involves mitigation, preparedness, response, and recovery. Mitigation aims to reduce the impact of disasters through risk assessment and vulnerability reduction. Preparedness includes developing plans, conducting training, and stockpiling supplies. Response involves immediate actions to save lives and meet basic needs, while recovery focuses on restoring affected areas and supporting the return to normalcy. Key organizations and professionals in disaster management include the WHO, National Disaster Management Authority, local government and health departments, and various stakeholders. Disaster management plans are comprehensive strategies to respond to and recover from disasters, aiming to protect life, mitigate damage, coordinate resources, support community resilience, and enhance preparedness. The disaster control room serves as the central command center, coordinating the response. It includes a rapid response team, designated beds for patients, necessary resources, and training and drills for preparedness. Elements of a disaster plan include education and training, resource assessment and mobilization, communication and coordination, and evacuation and sheltering protocols. Activation of disaster management plans involves establishing a reception area, implementing a triage system, ensuring accurate documentation, managing public relations, and organizing crowd management and security arrangements. Nurses have significant roles in disaster management. In healthcare facilities, they provide direct patient care, conduct triage, coordinate and communicate with other professionals, manage resources, and maintain documentation. In the community, nurses engage in preparedness education, conduct health assessments, collaborate with organizations, promote health and disease prevention, provide psychological support, advocate for the affected, and ensure continuity of care. In conclusion, nurses are vital in emergency and disaster management, contributing to care, coordination, and support. Their expertise, compassion, and adaptability make them invaluable in mitigating the impact of disasters and promoting the well-being of individuals and communities.