The theme of the Tieguanyin tea banquet can revolve around "traditional culture", "Zen life", "landscape" and other aspects. The following points can be considered in the design:

1. Color Matching: Mainly use green, yellow, red, green and other fresh and natural colors, which can not only highlight the theme of the tea party, but also help to increase the comfort.

2. Placement of tea sets: Tea cups, teapots, tea trays, etc. should be carefully placed, neat and orderly and in compliance with etiquette. It can be partitioned according to different styles and materials, which is convenient for access and makes it easier to create a unified visual effect.

3. Arrange flowers and plants: Place flowers and plants around the tea mat or in a designated area to make the entire display area more lively and interesting and add a natural atmosphere.

4. Select background music: Choose corresponding background music according to different themes, such as soft and soothing guzheng, pipa and other musical instruments.

5. Provide snacks: With traditional handmade snacks, such as twists, pastries, etc., guests can enjoy delicious food while drinking tea.

To sum up, the theme of the Tieguanyin tea banquet is based on traditional culture, with fresh and natural colors, neat and orderly tea sets, floral arrangements, background music, and traditional handmade snacks. To create a comfortable, natural and Zen atmosphere, allowing people to feel the charm of traditional culture.