IT industry is an information technology industry, also known as information industry. It is an industry that uses information means and technology to collect, sort out, store and transmit information, provide information services, and provide corresponding information means, information technology and other services. Information technology industry includes: industrial departments engaged in information production, circulation and sales and providing services by using information.

Its English word is information technology, which means information technology and industry. It mainly uses application of computer science and communication technology to design, develop, install and implement information systems and application software. It is also often called information and communication technology (ICT).

It mainly includes sensing technology, computer and intelligence technology, communication technology and control technology. IT industry is divided into IT production industry and IT use industry. IT production industry includes computer hardware industry, communication equipment industry, software, computer and communication service industry. As for the IT industry, almost all industries are involved, among which the service industry uses IT in a large proportion.

Extended data

The information technology industry mainly includes three industry departments:

① Information processing and service industry is characterized by using modern computer systems to collect, process, sort out and store information and provide various information services for computer centers, information centers, consulting companies and other industries.

(2) The information processing equipment industry is characterized by engaging in research and production of electronic computers (including hardware manufacturing of related machines) and computer software development. Computer manufacturing companies and software development companies can be counted as this industry.

(3) Information transmission intermediary industry, which is characterized by using modern information transmission intermediary to deliver information to the destination timely, accurately and completely. So printing, publishing, news broadcasting, communication, post and telecommunications, and advertising can all be included.

Information industry can be divided into primary information industry and secondary information industry. The former includes traditional goods and services to transmit information and intelligence, while the latter refers to services provided to internal consumers such as governments, enterprises and individuals.

Baidu encyclopedia -IT industry