Abstract: How to reduce the casualties of firefighters in the fire fighting and rescue work has become an in- depth research and exploration topic in the new era. Although the firefighting evaluation and summary can effectively avoid and reduce the casualties, compared with the investigation of disaster causes in the fire investigation, the disaster causing factors summarized by firefighting evaluation have obvious limitations. From the perspective of disaster causes investigation, this paper analyzes the operational safety of firefighters, which can provide action guidance for fire fighting and rescue.

Key words: fire investigation, fire fighting and rescue, firefighting safety, disaster cause