［ 摘要］ 　［ 背景］ 实际生活中性窒息死案例并不多见，这给法医学鉴定工作带来一定的困难．［ 案例报告］ 两案例在现场服饰打扮、生前表现等方面均有与一般机械性窒息死不同的特点．［ 讨论］ 性窒息案件不易与其它窒息案件鉴别，所以应以发生现场、窒息者装扮、窒息方式、平常表现等案情综合分析，排除他杀、自杀的情况下才可判定为性窒息死 [Abstract] [Background] The actual cases of death from neutral asphyxia are rare, which brings certain difficulties to forensic identification. [Case Report] Two cases have different characteristics from those of mechanical asphyxiation in the field of dress up and performance before their death. [Discussion] Sexual asphyxia cases are not easy to identify with other suffocation cases, so should be on the scene, the occurrence of suffocation, dressings, suffocation, the usual performance of a comprehensive analysis of the merits, excluding him to kill, suicide before the case can be judged as asphyxiation