检察机关在刑事审判程序中担负的职能如何定性，是一个颇具争议的问题。检察机关在一审、二审及再审中的活动表明其在刑事审判中实际行使公诉和审判监督两种职能。两种职能的性质不同，二者是互相独立的，因而不宜再由同一机关行使，刑事审判监督职能应该从检察机关的职能中分离出来 How to define the procuratorial organs’ functions in the criminal trial procedure is a controversial issue. The procuratorial organs’ activities in the first instance, the second instance and the retrial show that they actually exercise both functions of public prosecution and trial supervision in criminal trials. The two functions are different in nature, they are independent of each other and therefore should not be exercised by the same organ, and the criminal trial supervision function should be separated from the functions of the procuratorial organ