1、正当防卫可以保证我们有效地履行职责，积极地同违法行为作斗争。

1, justifiable defense can ensure that we effectively perform our duties and actively fight against illegal acts.

我国《刑法》上规定的正当防卫既是我们一项合法权利，也是我们为国家和社会应尽的法律义务，是光荣的行为，受法律保护。

The justifiable defense stipulated in the criminal law is not only a legitimate right, but also a legal obligation for our country and society. It is a glorious act and protected by law.

我们在保安工作中，当遇到公共利益、本人或其他人的合法权益受到了不法侵害时，就可以正当防卫为武器，排除不法侵害，确保我们单位和他人的合法权益不受侵犯，从而有效地保护国家、集体和人民的利益，尽到我们应尽的职责。

We in the security work, when the public interest, I or other people's legitimate rights and interests of the illegal violation, can defend as a weapon to exclude illegal infringement, to ensure that our units and other people's legitimate rights and interests are not violated, so as to effectively protect national, collective and the interests of the people, we should try to duty.

2、正当防卫能够起到预防违法犯罪，保证社会安定的作用。

2, justifiable defense can play a role in preventing illegal crimes and ensuring social stability.

根据正当防卫的规定，任何公民在正当防卫过程中，依法对不法侵害者本人造成人身或财产的损害，不负法律责任。这样就使那些图谋不轨或胆敢以身试法的分子，感到恐惧，有所震慑，使其不敢或轻易地进行危害社会的活动，从而起到了预防和减少违法犯罪的作用。