刑事技术鉴定书是以辩证唯物主义的观点，运用刑事科学技术对公安案件的痕迹物证，进行分析、检验、鉴别、审定后提出的书面报告。它是刑事诉讼证据的一种，作用在于揭露犯罪，正确地打击犯罪分子，保障无罪的人不受刑事追究，保护公民权利。随着社会主义法制日趋完善，人们的 Criminal technical appraisal book is based on the dialectical materialism point of view, the use of criminal science and technology of public security case trace evidence, analysis, inspection, identification, validation of the written report. It is a kind of evidence of criminal proceedings, the role is to expose the crime, the correct crackdown on criminals, to protect innocent people from criminal investigation, the protection of civil rights. With the gradual improvement of the socialist legal system, people’s