正当防卫作为我国刑法规定的排除犯罪性的行为,是刑法赋予公民在遭受不法侵害时,在国家集体利益,或者他人合法权益受到犯罪分子的侵害时,而采取的制止不法侵害的行为。正当防卫在主观上与一般的违法行为不同,在性质上有着内在本质的区别。在理解时可能会面临一些问题,诸如,防卫的时间限定问题,防卫对象问题等等,笔者主要从正当防卫的对象,时间要求,特殊防卫,不法侵害以及不法侵害人是否有防卫权问题做一些简单分析。 As an act of criminal exclusion as stipulated in our criminal law, legitimate defense acts as an act to stop unlawful infringement when the criminal law confers on the citizens unjust infringement, collective national interests or other criminals’ legitimate rights and interests are infringed upon by criminals. Self-defense is subjectively different from ordinary violations and has inherently different nature in nature. In the process of understanding, some problems may be encountered, such as the time limitation of defense and the issue of defense object. The author mainly does some research on the object of justified defense, time requirements, special defense, illegal invasion and illegal defense Simple Analysis.