Drinking tea causes vomiting, first of all, pay attention to the cleanliness of the mouth. It may be that the tea stains remain in the mouth too long leading to fermentation, producing bad breath and causing vomiting. Besides, if the vomiting is caused by stomach discomfort, you can drink drinks that help the stomach and intestines disperse the tea, such as honey water, milk, tomato juice, which help the body to break down and absorb the tea, dilute the tea in the stomach and reduce the damage to the stomach mucosa. Take oral omeprazole under the guidance of physician to relieve symptoms. You can also eat fruits properly and drink less tea to avoid causing discomfort to the body. Drink too much tea, because tea is alkaline, will neutralize the stomach acid inhibit the digestion of food in the stomach, resulting in vomiting, to stop drinking tea, you can drink water to buffer the acidity of the stomach.