Objective: This study was conducted to determine the level of vulnerability of The Indonesian Emergency Medical Team Field Hospital to disasters. Methods: This study used Kaiser Permanente Hazard Vulnerability Analysis to analyze the vulnerability of Indonesian Emergency Medical Team Field Hospital services to disasters or hazards. The questionnaire was filled out by researchers who participated in the activities of the Indonesian Emergency Medical Team Field Hospital. Results: Based on the analysis conducted, there are five events with the most significant risk in the form of earthquakes (83%), extreme temperatures (67%), epidemics (67%), power failure (67%), and generator failure (67%). In addition, there were also 12 events with the lowest risk of 11%. Discussion: This vulnerability analysis can realistically describe the vulnerability of the Indonesian Emergency Medical Team Field Hospital to disasters. © The Authors, published by EDP Sciences.