According to the classification table of international trade in services of the Bureau of Statistics and Information Systems of the World Trade Organization, the main scope of the service industry is:

1. Commercial services, including professional services, real estate services and other commercial services.

2. Communication services, including postal services, express mail services, telecommunications services and audio-visual services.

3. Construction and related engineering services, including general construction engineering, building installation and assembly engineering.

4. Sales services, including agency services, special agent services and other sales services.

5 education services, including junior high school higher education services, adult education services and other education services.

6. Environmental services, including sewage treatment services, waste treatment services and other environmental services.

7. Financial services, including insurance and insurance-related services, banking and other financial services.

8. Health and social services, including hospital services, social services and other health and social services.

9. Tourism services, including hotels and restaurants, travel agencies and tour guide services.

10, entertainment and cultural services, including entertainment services, libraries, archives, museums and other cultural services.

1 1. Transportation services, including maritime transportation services, road transportation services, pipeline transportation services and auxiliary services of various modes of transportation.