1. Don't eat with green tea and high-protein substances, because they are compatible with each other and easily affect the taste.

2. Don't drink with milk, both of them will produce advanced glycation end products during cooking, and excessive drinking may affect health.

3. Barley tea is nutritious and has no side effects.

4. It is not suitable for pregnant women to drink, and it has the function of returning milk. Don't drink overnight tea, it's easy to have diarrhea. Patients with constipation and kidney disease should avoid drinking alcohol.

Suggestions on matching barley tea:

1. Coarse grains, such as corn and coix seed.

2. Light vegetables, such as lotus root and celery.

3. Eggs and egg foods, such as protein and cakes.

4. Seafood and fish food, such as perch and hairtail.

5. Fruits such as apples and lemons.

Taboo of barley tea:

1. Avoid mixing with dairy products containing a lot of fat, such as milk and butter.

2. Avoid pairing with spicy food, such as pepper and pepper.

3. Avoid matching with fermented foods, such as yeast bread and beer.

4. Avoid caffeinated drinks, such as red tea and coffee.

5. Patients with hypertension should avoid salt, and patients with cholecystitis should avoid greasy food.