信息是指一切用以表征事物内涵的信号、数据、指令、程序、消息的情报。随着改革开放的深入，我国的经济体制已经由高度集中的计划型向社会主义的市场经济型转变，企业成为了自主经营、自负盈亏、自我发展的商品经营生产者。因此，企业对信息的需求，无论在广度和深度上都有了 Information refers to all the signals, data, instructions, procedures, and messages used to characterize the content of things. With the deepening of reform and opening up, China’s economic system has changed from a highly centralized planning type to a socialist market economy type. Enterprises have become self-owned merchandise producers with independent operations, self-financing, and self-development. Therefore, the demand of enterprises for information has its breadth and depth.