1. Put a proper amount of barley tea into a bowl, and then pour the water into a small pot.

2. After the water is boiled, pour the barley tea into the pot, simmer for a few minutes, and then turn off the fire.

3. In the hot summer, in order to make barley tea have a better summer effect, you can put the cooked barley tea in the refrigerator and drink it. In order to improve the taste, crystal sugar can also be added.