The rapid development of internet has speeded up the process of globalisation since the 21st century the emengence of on-line marlceting breaks up the time and space limits,which has great impant on the tradifional marketing.The paper discusses the advantages of on line marketing ouer the traditional manketing;cost advantage sale advantase,customer service advantage,information advantage.Along with the development of computer technolosy,on-line marketing has become more and more important for the survival of corporation.the company which seize the pulse of on the marketing can prosper.