物证技术的光荣使命就是利用一切可以利用的科技手段为查明案件真实情况提供依据 ,并为解除嫌疑人是否实行违法犯罪行为提供证据。改革开放以来 ,我国物证技术在很多方面有了新突破。在我国应建立物证技术新学科 ,使侦查学学科有一个新的改革和发展。 The glorious mission of physical evidence technology is to use all available scientific and technological means to provide a basis for ascertaining the actual situation of the case and provide evidence for whether or not the suspects have committed criminal activities. Since the reform and opening up, the material evidence technology in our country has made new breakthroughs in many aspects. In our country, we should establish a new discipline of material evidence technology so that there will be a new reform and development of the discipline of investigation.