Looking to the world trend of it developmentFirst, the world of electronic information industry development in the new features: It has become the main driving force behind economic growth Information technology (it) is currently the fastest growing, most influential high technology, its development and application of information technology to the national economy, national defense and social life, have a profound impact change. To the U.S. economy as an example .In the United States, to play a leading role in economic growth. Over the past five years, real growth in it field in the U.S. economy, accounting for one-fourth of the shares. Information industry in the share of the entire economy in a significant growth in the economy is also growing in importance. 1985, the U.S. information industry in the economy as a proportion of 4.9%, with the PC at the office and the family starts to spread, in 1990 this ratio rose to 7.5%,1998 years to 8.2%. At the same time, prior to 1994, it industries and their contribution to economic growth in the economy proportional share, and since 1994, its contribution to its economy is almost twice the share. Further intensifying market competition, acquisitions, alliances, cooperation against new targets In the trend of global economic integration, countries with emerging industry enterprises acquisitions and alliances, with the aim of occupying the market; Integration and the integration of technology in the market trend, a computer network, telecommunications networks and cable television networks integrate the three networks trends, resulting in different industries between enterprises acquisitions, alliances and cooperation, to open up new business areas; and particularl...