This study takes the trauma emergency ambulance case data of the Fourth Relief and Rescue Brigade of Taichung City Fire Department, 2017 as a research sample, and uses the database to establish a regional emergency ambulance trauma data query system, which provides ambulance personnel with cloud computing. Ambulance personnel can use mobile phones to query information about the area of occurrence, trauma, age, humidity, injured area, consciousness, respiratory treatment, cervical vertebrae, gender, temperature, fixation, delivery to hospital, wound management, wind speed, rainfall, etc., and carry out key tips and review before the service so to strengthen the maintenance of ambulance equipment and consumables, which will help the unit in the efficiency of trauma care.