Namely: the cases according to the different nature of the different applicable standard of proof, the substantive law and procedure law in fact adopt different standards of proof, the prosecution for illegal evidence standard of proof should be "beyond a reasonable doubt". 即:根据案件的不同性质适用的有所差别的证明标准,对实体法事实和程序法事实实行有差别的证明标准,控方对非法取证的证明标准应达到排除合理怀疑。