Teahouses mainly deal in products and services.

The main products and services of teahouse include:

1. Tea: Provide all kinds of tea and hot water for customers to make their own tea.

2. Snacks: Provide various snacks and snacks, such as cakes, biscuits and melon seeds.

3. Baked buns: Local specialty snacks are very popular.

4. Board games: provide entertainment facilities such as board games and chess and cards for customers to pass the time.

5. Rest: Provide a comfortable environment for customers to rest, chat and relax in the tea room.

6. Social places: Teahouses are important places for people to communicate, and customers can make new friends and exchange ideas and experiences with each other.

7. Cultural activities: Some teahouses regularly hold some cultural activities, such as calligraphy and painting exhibitions and traditional operas, to increase customers' cultural and entertainment experience.