The relationship between American food culture and economy includes the development of catering industry and food processing industry.

1. Development of catering industry: American catering industry is one of the important parts of its service industry, which has made great contributions to economic growth and employment. American fast food, coffee shops and other chain catering brands enjoy a worldwide reputation and have become one of the representative industries of the American economy.

2. Food processing industry: The United States has a perfect food processing and supply chain system, which involves the whole process from agricultural production to processing and manufacturing to sales and distribution. The development of this industrial chain has also brought great contributions to the American economy.