The tertiary industry is divided into two parts: distribution and service, and there are four levels:

1. Distribution departments, including transportation, post and telecommunications, commerce, catering, material supply and marketing and warehousing.

2. Departments that serve production and life, including finance, insurance, geological survey, real estate, public utilities, residential services, tourism, consulting information services and various technical services.

3. Departments that serve to improve the scientific and cultural level and the quality of residents include education, culture, broadcasting, television, scientific research, health, sports and social welfare.

4. Departments that need to serve the public, including state organs, political party organs, social organizations, the army and the police. Extended information

Three major industries

1. The primary industry mainly refers to industries that produce food materials and other biological materials, including planting, forestry, animal husbandry, aquaculture and other industries that directly target natural products. Agriculture is the foundation of the national economy.

2. The secondary industry mainly refers to the processing and manufacturing industry, which uses the basic materials provided by nature and the primary industry for processing.

3. The tertiary industry refers to other industries other than the primary and secondary industries, with a wide range, mainly including transportation, communication, commerce, catering, finance, education, public services and other intangible production departments.

the primary industry lays the foundation for the secondary and tertiary industries; The secondary industry is the core of the three major industries and plays a leading role in the primary industry; The primary and secondary industries create conditions for the tertiary industry, and the development of the tertiary industry promotes the progress of the primary and secondary industries. The highly developed tertiary industry is the symbol of modern countries. In 2117, the tertiary industry in China accounted for more than half of the total output value.

Baidu encyclopedia-tertiary industry

Baidu encyclopedia-three major industries.