Disasters—whether natural, such as hurricanes and earthquakes, or human-made, such as industrial accidents and terrorism—represent a real test of healthcare systems’ ability to operate under stress and extraordinary pressure. Under such circumstances, the traditional model of treating patients individually is no longer sufficient. This is where the importance of Disaster Medicine becomes evident. The Concept of Disaster Medicine Disaster Medicine is a branch of medical and health sciences that focuses on managing and reducing the health impacts resulting from major incidents and disasters that exceed the capacity of routine local medical resources. This field combines acute medical care, crisis management, and public health. Key Pillars of Disaster Medicine Medical Triage: A systematic process of classifying injured individuals according to the severity of their conditions and their chances of survival, in order to ensure that available resources are directed toward those who require the most urgent care and where they can provide the greatest benefit. Preparation & Planning: Training healthcare professionals and establishing evacuation and supply plans in advance to ensure the availability of medications, medical equipment, and essential supplies before a crisis occurs. Rapid Response: Immediate field deployment to disaster sites to provide first aid, establish field hospitals, and deliver urgent medical care to affected individuals. Recovery & Public Health: Preventing the spread of diseases and contamination, while providing psychological and social support to survivors and healthcare professionals. Challenges and Importance Disaster medicine teams face challenging circumstances, including limited resources, communication disruptions, environmental hazards, and severe psychological pressure. With the increasing impact of climate change and the growing complexity of crises around the world, Disaster Medicine has become a fundamental pillar of national and community health security. This highlights the need for continuous investment in training, preparedness, and scientific research to enhance the efficiency and readiness of healthcare systems and ensure their ability to respond effectively to disasters and major emergencies. Al-Mustaqbal University The first University in Iraq