随着经济快速发展,我国各行业各领域的生产建设步伐也在持续加快。在快节奏的生产建设过程中,安全生产事故是不可回避的问题。安全生产事故一旦涉及人身伤亡,就会引起社会广泛关注。若有关部门的先期调查处置工作不足以让大众信服,就会造成矛盾升级,引发上访甚至导致群体性事件。先期调查处置工作要以现场为中心,以证据为先导。如何保护好事故现场的事发状态和相关证据,为后期开展准确综合性调查形成事故调查报告和应答伤亡者家属的疑问,成为当前的重要课题。当前安全监督管理部门对事故现场保护方面的研究比较缺乏,但公安机关刑事技术 With the rapid economic development, the pace of production and construction in various fields in various fields in our country also continues to accelerate. In the fast-paced production and construction process, safety accidents is an unavoidable problem. Once a production safety accident involves personal injury or death, it will arouse widespread public concern. If the relevant departments of the preliminary investigation and handling work is not enough to convince the public, it will lead to escalation of conflicts, causing petitions even lead to mass incidents. Prior investigation and disposal work should be field-centered, with evidence as the guide. How to protect the incident scene and relevant evidence at the scene of the accident and provide an accurate and comprehensive survey for the later period to form an accident investigation report and answer the questions of the families of the victims of casualties has become an important issue at present. The current safety supervision and management departments on the scene of accident protection is relatively lack of research, but the public security organs criminal technology