Several reasons should be considered for vomiting after drinking milk tea, such as intolerance to the odor of milk tea, which can reflexively cause nausea and vomiting. An intolerance or allergy to certain ingredients in milk tea can also cause vomiting after drinking milk tea. If it is caused by the above factors, you can slowly get used to it, or improve the situation by not drinking milk tea anymore. In the case of gastritis or gastroduodenal ulcer, reflex vomiting after drinking milk tea can be caused by poor gastric emptying. For possible gastric diseases, it is better to have a gastroscopy, which can clarify the specific lesions in the stomach, and then choose a reasonable treatment plan based on the results of the examination. Vomiting after drinking milk tea is not relieved, you can use drugs to improve, such as morphine or gastrografin.