2. Open the bag of the cold tea bag and take out the tea bag.

3. Put the tea bag in the cup.

4. Add an appropriate amount of cold water, generally 250 ml of water and 1-2 tea bags.

5. Cover the cup or seal it with plastic wrap, and put it in the refrigerator for 4- 10 hour. The longer the time, the stronger the tea.

6. Take out the cold tea bag and gently squeeze out the water in the tea bag.

7. Add some ice cubes, lemon slices, sugar, etc. According to taste needs.

8. Pick up the cup and taste the delicious herbal tea.

Precautions:

1. Cold tea bags can't be soaked at room temperature and can only be put in the refrigerator;

2. Cold tea bags should not be placed for too long, generally not more than 10 hour;

3. Cold tea bags can't be used to make hot water, only cold water can be used.