travel agency industry, tourist attractions industry, accommodation and catering industry.

1. Travel agency industry: Travel agency industry is an important part of tourism, providing tourism products and services, including the design, organization, sales and arrangement of tourist routes.

2. Tourist attraction industry: Tourist attraction industry refers to the management activities of various tourist attractions and scenic spots. Including the development, protection and management of various tourism resources such as natural attractions, cultural landscapes and historical sites.

3. Accommodation and catering industry: Accommodation and catering industry provides accommodation and catering services for tourists. Including all kinds of hotels, hotels, homestays and other accommodation places, as well as restaurants, bars, cafes and other catering places.