2, the disadvantages of drinking tea regularly: tea should not be too strong, and it is easy to cause people's excitement or poor sleep. For those who are depressed and have poor sleep, these people are not suitable for drinking tea, especially before going to bed. Tea is not suitable for drinking tea after meals, because drinking tea after meals will cause the temperature of the human body to rise. Patients with lithiasis should not drink tea. At the same time, patients with gastric ulcer should not drink tea, tea will hurt the stomach, because it will stimulate the secretion of gastric juice, which will affect the recovery of patients with gastric disease.