Purpose of the Study <p>This study aims to provide detailed information about the health demand encountered in disaster situations and the treatment processes from the disaster area to the hospital.</p> Recent Findings <p>Disasters are events where mass casualties or deaths occur, and the damage is excellent, requiring national or international assistance. This study discusses how operating room scheduling studies are carried out in disaster situations and what to pay attention to.</p> Summary <p>Due to the large number of casualties in disaster areas, medical help must be delivered to the regions as quickly as possible, and resources must be optimized during the assistance process. Especially considering the great complexity experienced, there is a significant burden on both hospitals and aid organizations during the process. The service provided must be carried out meticulously and quickly due to the risk to the injured person’s life.</p>