Abstract:Objective To explore the influences of time axis management， process optimization and skill improvement on the quality of trauma treatment under the COVID-19 epidemic. Methods A total of 492 severe trauma patients ［Injury Severity Score（ISS）≥ 16 points］ rescued in the Trauma Center of the First Affiliated Hospital of Soochow University from January 1， 2019 to December 31， 2020 were selected as the research subjects. According to the time points of COVID-19 epidemic， 219 cases admitted from January 1 to December 31， 2019 were enrolled as control group， treated with traditional processes and methods for trauma care. Another 273 patients admitted from January 1 to December 31， 2020 were selected as observation group， in which the following measures were implemented， including pre-triage screening， cooperation in clinical, laboratory and radiological staff， formulating a complete emergency plan for first aid and emergency surgery， improving continuouly the corresponding process through time axis management and improving the skills of doctors at all levels to optimize the implementation of rescue. ISS scores， team start-up time， establishing venous access time， start-time of blood transfusion， endotracheal intubation time， sending time for CT examination， sending time for emergency-surgery， length of emergency room stay and mortality were compared between two groups of patients before and after the COVID-19 epidemic. Results ISS score， was similar in two groups（P＞0.05）. The team start-up time, establishing venous access time start-time of blood transfusion， endotracheal intubation time and sending time for CT examination, sending time for emergency-surgery and emergency room stay in observation group were statistically shortened compared with those in control group（P＜0.05）. The mortality was slightly lower in observation group， but there was no statistical difference in it between two groups（P＞0.05）. Conclusion Optimizing and improving the rescue process of severe trauma through the information-based time axis management system, combined with the optimization of epidemic prevention and control process, can reduce the impact of COVID-19 epidemic on the rescue quality and efficiency, which is conducive to improving the rescue capacity of the trauma center.