Tertiary industry is the tertiary industry, mainly including: information transmission, software and information technology services, finance, wholesale and retail trade, education, health and social work, transportation, warehousing and postal services, accommodation and catering, real estate, international organizations, leasing and business services, culture, scientific research, social security and social organizations, water conservancy, environment and public **** facilities management industry, repair and Recreation. The division of the three industries is the more commonly used classification of industrial structure in the world, but the division is not consistent across countries. According to the National Economic Industry Classification (GB/T4754-2011), China's tertiary industry division is: primary industry refers to agriculture, forestry, animal husbandry and fishery. The secondary industry refers to mining, manufacturing, electricity, heat and gas, and construction. The tertiary industry refers to industries other than the primary and secondary industries.