In the long river of mankind's history,technology and law are the two greatest outcomes of society and push the mankind's progress and development.The two has mutual influences,and has essential quality and be worth of mutual complement.Penetration and influence of technology on law has strengthened with the inform of productivity brought about by technological development.Techonogical norms become the content of law,on the other hand,law peomotes and controls techonology,promoting its positive function and controling its negative effects.Moern society and technological alinenation brings about new problems to law.The control of law on technology makes the two promote social development together.