1, patients with liver disease should not drink white tea: most substances such as caffeine in white tea are metabolized by the liver. If the liver is ill, drinking too much tea will damage the liver tissue.

2, patients with urinary calculi avoid drinking white tea: urinary calculi are usually calcium oxalate stones. Because tea contains oxalic acid, it will form stones with calcium excreted in urine. Patients with urinary calculi will get worse if they drink a lot of tea.

3, pregnant women avoid drinking white tea: especially do not drink strong tea. Tea contains a lot of tea polyphenols, caffeine and so on, which has many unfavorable factors for the growth of the fetus in the mother's womb. In order to make the fetus's intelligence develop normally and avoid excessive stimulation of caffeine to the fetus.