1. Regulating physiological cycle: Barley tea is rich in vitamin B family, which helps to regulate female physiological cycle and relieve menstrual discomfort.

2. Improve digestion: Barley tea is rich in soluble fiber and dietary fiber, which can help women improve digestion and reduce constipation and gastrointestinal discomfort.

3. Antioxidant and antibacterial: Barley tea is rich in polyphenols and flavonoids, which have antioxidant and antibacterial effects and help prevent women from getting cancer, cardiovascular diseases and other diseases.

Taboos for drinking barley tea:

1. Pregnant women and lactating women should not drink in large quantities, because the flavonoids in barley tea have certain estrogenic activity, which may affect the fetus or baby.

2. People who are allergic to barley should not drink it, which will cause allergic reactions, such as itchy skin and difficulty breathing.

3. Drinking more barley tea will increase urine output, which is not suitable for people who are already short of water, and may lead to dehydration problems.

4. Drinking barley tea in large quantities for a long time may also affect renal function and cause problems such as kidney calculi. Therefore, drink in moderation.