刑讯逼供与被告人掩盖其他罪行是造成被告人虚假认罪的两个重要原因,但同时我国近年来司法实践中案多人少的矛盾也日益突出,提高办案效率也是大势所趋。被告人认罪案件简易审理可以提高办案效率,但由于该类案件对抗性差,法官如果过于简化审理程序,反而会造成案件事实无法查清而导致冤案错案的产生,测谎技术在被告人认罪 Extorting confessions by torture and other crimes covered by defendants are two important reasons for the defendants’ false confessions. However, at the same time, the contradictions in our judicial practice have become increasingly prominent. It is also the general trend to improve the handling efficiency. However, due to the poor confrontation of such cases, if the judge simplifies the trial procedure, it may actually result in the fact that the facts of the case can not be ascertained to result in the wrongful case. The polygraph technique pleaded guilty to the defendant’s plea of ​​guilty plea