The knowledgeable introduction is as follows:

Be familiar with a certain business.

The industry introduction is as follows:

Industry: refers to a group of companies that provide similar goods or services, which are closely substituted for each other. It refers to the organizational structure system of institutions or individuals engaged in production, services or other economic and social activities of the same nature in the national economy, also known as departments. But from a strict definition, the concept of industry is greater than industry, and an industry can span (include) several industries.

The development of the industry is as follows:

Explain the development stage of the industry itself and its position in the national economy, analyze various factors that affect the development of the industry and judge the impact on the industry, predict and guide the future development trend of the industry, judge the investment value of the industry, reveal the wind direction of the industry, and provide investment decisions or investment basis for various institutions.

The development of industry will inevitably follow the low-level predatory exploitation and utilization of natural resources and low-level labor export, and gradually turn to scale economy, technology-intensive, financial-intensive, talent-intensive and knowledge-based economy, and gradually turn from exporting natural resources to exporting industrial products, intellectual property rights and high-tech talents.

The eight major industries are the eight major industries of the country, namely: medical and health services, e-government, taxation, electricity, telecommunications, insurance, education and securities. The medical and health undertakings of a country include all the people, organizations, systems, rules and processes in the country to protect and improve people's health and treat diseases and injuries.

Medical care has five main purposes: openness to all, quality, effectiveness, economy and satisfaction of patients and staff.

Using modern information technology such as computer, network and communication, we can realize the optimization and reorganization of government organizational structure and workflow, transcend the limitation of time, space and departmental division, build a streamlined, efficient, clean and fair government operation mode, and provide high-quality, standardized, transparent and international-level management and services to the society in an all-round way.