本文依据知识经济的主要特征，论述了信息产业的特点、作用、地位和发展前途。研究结论表明，知识经济具有知识与经济一体化的主要特征。信息产业在知识经济时代的经济增长中起着核心作用。它在全世界范围内由先导产业逐步变成主导产业。下个世纪，信息产业将成为世界第一大产业和发展最快的产业。 Based on the main features of knowledge economy, this paper discusses the characteristics, functions, status and development of the information industry. The conclusion of the study shows that the knowledge economy has the main characteristics of the integration of knowledge and economy. The information industry plays a central role in the economic growth in the era of knowledge economy. It is gradually becoming a leading industry in the world from a pilot industry. The next century, the information industry will become the world’s largest industry and the fastest-growing industries.