现场勘查是侦查刑事案件的首要环节,现场中查获取得的痕迹物证是侦破案件的关键线索。在一些多人死亡的凶杀现场,有时案犯就在其中(自杀),如果仅是依靠法医尸检来侦查有时候并一定完全可靠,所以还得需要对案发现场的痕迹物证进行勘查,佐证来判断死者是属于自杀还是他杀。本文结合实际案例来探讨研究如何通过现场勘查和痕迹检验来甄别自杀现场。 Site investigation is the primary link in the investigation of criminal cases. The evidence obtained from the scene is the key clue to detect the case. In the case of some murderers with many deaths, sometimes the perpetrators are committed (suicide). If they rely solely on forensic autopsy to detect and, at some point, they are completely reliable, they still have to conduct a survey on the evidence of the scene of the crime and confirm The dead belonged to suicide or kill him. In this paper, the actual case to explore how to screen by field investigation and trace to identify suicide scene.