Dry vomiting every morning is caused by gastrointestinal dysfunction, indigestion, chronic pharyngitis and pregnancy. 1, some people have gastrointestinal dysfunction in the digestive system, and the change of position in the morning will trigger the onset of the disease. The first night, especially when eating indigestible food, the digestive system after a night of exertion, because of the increased burden of spasm, contraction, resulting in dry vomiting in the morning. 3, some people have chronic pharyngitis disease, the body’s immunity is relatively low in the morning when you get up, cold air on the throat stimulation, there will be a foreign body feeling in the throat, resulting in dry vomiting. 4, women During pregnancy, the body’s hormone secretion disorder, will have an impact on the function of the digestive system, many women in the early stages of pregnancy will appear in the morning vomiting phenomenon.