刑事证人作证是刑事诉讼顺利进行的必要条件,也是刑事司法公正实现的有效途径。证人在刑事诉讼中的作证行为是基于一定的作证心理而为的诉讼性行为,在出庭作证前其心理衍变经历了事实意义上证人心理、法律意义上证人心理变化阶段,完整的证人作证心理还包括了作证中和作证后的心理。应在诉讼过程中建立和实行一系列的制度以培育证人的积极心理,化解消极心理。 Testifying criminal witnesses is a necessary condition for the smooth progress of criminal proceedings and is also an effective way to realize the fairness of criminal justice. Witness behavior in criminal proceedings is based on a certain evidence of litigation and litigation behavior, before the court witness its psychological evolution witnessed witness in fact the sense of witness in the legal sense of the psychological changes in the stage, a complete witness testimony also Including the testimony and testimony after the mentality. A series of systems should be established and implemented during litigation so as to cultivate the positive psychology of witnesses and resolve the negative psychology.