With the rapid development of society and technology.the robots has entered our lif e.however,i think,just as a coin has two sides,robots bring us not only a bulk of adva ntages,but also an army of disadvantages.for one thing,the robots can reduce the in cidence of accidents,to some extend.take high-building brickwork as a example,it i s greatly dangerous for people to do,but robots can replace people whose work is p articularly dangerous .for another, robots never feel tired rarely make mistakes and never claim salary in a work,which may lead to the rate of unemployment increasin g.in a word,the robot is a double-edged sword.and i think ,we should not only be op timistic about its positive influences,but also strive to develop our Comprehensive C apacity to prevent its negative impacts.