投案的认定与否,直接关系到自首是否能够成立。而自首又是一项法定的量刑情节,其规定较为宽泛,根据不同的案情,对被告人“应当”或者“可以”“从轻”、“减轻”或者“免除”惩罚。而司法实践中,对涉及归案的一些情形表现,最终是否能够认定为投案,进而能否成立自首,在司法认定上存在不同的认识与理解。对这些情形予以剖析、澄清,无疑会对指导司法实践有所裨益。 The determination of the vote or not is directly related to whether surrender can be established. The voluntary surrender is also a statutory sentencing circumstances, the provisions are more broad, depending on the merits of the defendant “should ” or “can ” “light ”, “reduce ” or Exempt "punishment. However, in the judicial practice, whether some cases involving the criminal case can be finally judged as surrender and whether the case can be surrendered can have different cognitions and understandings in judicial cognizance. To analyze and clarify these situations will undoubtedly be helpful for guiding the judicial practice.