Drinking green tea stomach acid is generally associated with factors such as tea promotes the secretion of gastric acid and stomach itself lesions. 1. Excessive secretion of gastric acid: tea contains a certain amount of theophylline, tea polyphenols and other active substances, it refreshing at the same time also able to reduce the activity of phosphodiesterase, so that the stomach lining cells to secrete more gastric acid, so that gastric acid accumulates too much, which may induce the symptoms of acid reflux. 2. Stomach diseases: patients suffering from gastritis, gastric ulcer, reflux esophagitis and other gastric diseases, the patient’s gastric acid secretion itself is significantly increased, and drinking tea on the gastric mucosa has a significant stimulating effect, especially strong tea, will aggravate the patient’s symptoms such as acid reflux. Therefore, tea itself will stimulate the secretion of gastric acid, patients with gastric diseases drink tea will aggravate the progress of gastric diseases, it is recommended that patients with gastric diseases should try to drink less tea, especially should drink less strong tea. In addition, patients with stomach diseases should actively consult the doctor and follow the doctor’s instructions for standardized treatment.