1. Milk: Milk, soy milk, coconut milk and so on.

2. Lemon: lemon can increase the taste and aroma of tea.

3. Honey: can add sweetness and unique flavor.

4. Ginger: can add some spicy flavor, suitable for cold weather.

5. Oranges: oranges can add sweetness and sourness to the tea.

6. Spices: cinnamon, cloves, fennel and other spices can enhance the taste and aroma of the tea.