As the system of criminal trial in China is being changed from inquisitional into adversary;to construct discovery system has become an urgent problem to be solved.

随着我国刑事庭由法官主导的问制向控辩双主导的对抗制转变,构建刑事证制度也已成为我国刑事诉讼亟待解决的迫切问题。