“刑事诉讼的进化历史也可以说是辩护权的发展的历史。”而律师调查取证权是行使律师辩护权的首要前提。我国现行刑事诉讼法将辩护律师介入刑事诉讼的时间提前至案件移送审查起诉之日,并赋予其相应的调查取证权,是刑事诉讼制度日趋进步的反映。但 “The history of the evolution of criminal litigation can also be said that the history of the development of defense rights. ” The lawyer investigation and evidence collection right is the first prerequisite for the exercise of defense rights. The current criminal procedure law in our country brings the defense lawyer’s involvement in the criminal procedure early to the day when the case is transferred for review and prosecution, and gives the corresponding right of investigation and obtaining evidence, which is a reflection of the progress of the criminal procedure system. but