Among the criminal procedure system reform in China, matching with stress on the refined trial of hard case by trial-centered system reform, the pilot reform of the system of leniency on plea of guilty and acceptence of punishment mainly reflects the pursuit of quick trial of easy case, so as to save the judicial resources, improve lawsuit efficiency, reduce costs, drop the risk of failure to prosecution and timely implement justice, to achieve the optimal allocation of judicial resources. the system of leniency itself also reflects the game of the interests between the autonomy of the accused person(s) by voluntary confession, acceptence of punishment and national supply of simpler system, more lenient punishment.On the one hand, on the premise of confession, according to the severity of the case, the accused may choose different simple procedures such as speedy adjudication process, the summary procedure and simplified ordinary procedure. On the other hand, the sentencing plots related to truthful guilt’s admission such as voluntarily surrenders, confession, and pleas of guilty in court are specified by rules and norms in detail degree of leniency.Moreover, the “affidavit of guilty pleas and punishment acceptence” epitomizing consensus of charges and conviction, procedure selection and sentencing from both sides should sign after listen to counsel and the duty lawyer’s opinion and under their presence, this may merge the factor of victim’s consent and understanding. In addition, the court should review the voluntariness, authenticity and legitimacy of the pleas of guilty.