The economic recession first affects the following industries:

1. Retail industry: Retail industry is one of the most vulnerable industries in the economic recession due to the decline of consumers' purchasing power.

2. Tourism: Tourism is usually hit hard in a recession because people reduce their travel and tourism expenses.

3. Real estate industry: Economic recession often leads to the weakness of the real estate market, because falling house prices, sales and rents will have a negative impact on the industry.

4. Financial services: Economic recession can lead to a decline in the stock market, a decline in investment income and a tightening of credit, which will have a negative impact on financial services.

5. manufacturing: manufacturing is an important part of the economy, and it is often the first to be hit in the economic crisis, because many enterprises stop production, reduce orders, reduce profits and other factors will have a negative impact on manufacturing.

6. Media and advertising: Economic recession often leads enterprises to cut back on publicity and advertising, which will have a negative impact on media and advertising.

7. Catering and hotel industry: The economic recession may cause people to eat out and travel less frequently, which will have a negative impact on the catering and hotel industry.

In short, economic recession will have a negative impact on many industries, but these industries are all important components of the economy, so when the economy really recovers, these industries will also play an important role.