Diarrhea with dry heaving is mainly seen in acute diarrhea, the causes of acute diarrhea are mainly seen in: 1, bacterial and viral infections, mainly rotavirus, coxsackievirus, Escherichia coli, dysentery, etc. Pathogenic infections lead to a large number of inflammatory cells infiltration of the intestinal mucosa, resulting in congestion and edema of the intestinal mucosa, diarrhea. Pathogen toxin stimulation of the intestinal tract and nerve stimulation, resulting in gastrointestinal peristalsis slow or peristaltic disorders, nausea, treatment should be clear pathogens infected with pathogens, anti-infective treatment for pathogens. 2, food poisoning, allergies, such as pesticide poisoning, heavy metal poisoning, allergy to food, diarrhea, nausea, treatment should be clear poisoning and allergy to the substance, and actively given to detoxification or anti-allergy treatment. 3, drugs, medications and other substances. 3, drug factors, such as digitalis poisoning, taking a large number of laxatives, nausea, diarrhea.