伴随时代进步,经济的发展,社会各类矛盾的凸显,在日常生活中,各类暴力甚至恐怖案件的发案率飙升,尤其针对弱势群体的恶性伤害案件更是层出不穷,公开性伤害、砍杀无辜群众的暴力恐怖案件也时有发生,当我们面对危险,遭遇威胁,人民警察不能及时赶到,家人朋友又爱莫能助之时,我们自身的防护意识和防御能力就显得极其重要了。 Accompanied by the progress of the times, the economic development and the highlighting of various social conflicts, the incidence of various types of violent and even horrifying cases has soared in daily life. In particular, cases of vicious crimes against the disadvantaged groups are more and more exposed openly, When the innocent masses violent and terrorist cases occur from time to time, when we face danger and threats, and the People’s Police can not get to it in time, our friends and family can not help but help ourselves, our own sense of defense and defense capabilities become extremely important.