正当防卫是指当公共利益、他人或本人的人身或其他利益受到不法侵害时，行为人所采取的一种防卫措施；紧急避险是指为了使公共利益、本人或他人的合法权益免受现实和紧急的损害危险，不得已而采取的致他人或本人损害的行为；自助行为是指权利人为保护自己的权利，在情事紧... Self-defense refers to a kind of defensive measure taken by the perpetrator in case the public interest, other people or personal interests or other interests are unlawfully infringed. Emergency hedging means that for the purpose of protecting the public interests and the legitimate rights and interests of others or me from the reality And the risk of emergency damage, last resort and other acts of harm to others or themselves; self-service behavior refers to the right to protect their own rights, in the matter tight ...