First of all, it is not advisable to drink tea on an empty stomach, and it is pleasant to drink it at any time. As the saying goes, Tea on an empty stomach is flustered, and it is difficult to sleep at night? . Drinking tea on an empty stomach can dilute gastric acid, inhibit the secretion of gastric juice, reduce digestive function, cause a large number of bad components in tea to enter the blood, cause palpitation, dizziness, palpitation, stomach discomfort, dizziness, weakness and upset, and affect the absorption of protein; Pu 'er tea should be drunk with the soaking, and it is forbidden to drink Pu 'er tea overnight. After long soaking, harmful substances such as heavy metals will precipitate, which will make the tea color muddy and reduce the health care effect. In addition, Pu 'er tea soaked in thermos cups should not be drunk often, and Pu 'er tea should not be drunk overnight. It is forbidden to drink tea immediately before and after meals, and it is really inappropriate to drink a lot of tea, especially strong tea, about 20 minutes before and after meals. Because doing so will dilute gastric juice and affect digestion. Drinking light tea, warm tea is more conducive to health.
In addition, special attention should be paid to avoid drinking tea with fever, because tea contains theophylline, which has the effect of raising body temperature. Drinking tea with fever is tantamount to adding fuel to the fire; Avoid drinking tea during menstruation, which can induce or aggravate menstrual syndrome; Avoid drinking tea for patients with ulcers, because caffeine in tea can promote gastric acid secretion and increase gastric acid concentration, and patients with ulcers may induce ulcers or even perforation; Avoid drinking Pu 'er tea after drinking. If you drink Pu 'er tea after drinking, people will feel worse, stimulate the spleen and stomach, increase the burden on the heart, and easily cause drunken accidents. Avoid eating high-protein foods. The combination of acidic substances in tea and protein will reduce the peristalsis of the intestine, reduce the water in the intestine, affect the digestive system and cause constipation; Avoid drinking tea during taking medicine, whether Chinese medicine or western medicine, and Pu 'er tea seem to be inherently compatible. The substances in tea are easy to react with the elements contained in the medicine to produce precipitation, which affects the efficacy.