1, barley tea has certain side effects and is not suitable for people with a bad stomach. The side effects of barley tea are not too great, mainly because people with poor stomachs will feel stomach discomfort after drinking it, and severe diarrhea may occur.

2. It is not advisable to drink barley tea on an empty stomach. Drinking barley tea on an empty stomach will have a certain impact on the stomach.

3, not suitable for maternal drinking. Maternal women should try not to drink it, because it may cause milk return.

4, can not drink overnight. It is best to drink barley tea when it is brewed, and don't drink barley tea overnight or for several days.