Under normal circumstances, influenza does not cause diarrhea, influenza belongs to the influenza, which is caused by viral infection. The most common viruses are influenza B virus and influenza A virus, the main clinical manifestations are fever, cough, cough sputum, nasal congestion and runny nose, which are highly infectious and epidemic, and are mainly characterized by rapid onset and severe morbidity. If the patient’s body resistance is reduced, there is a history of unclean diet, or the patient itself is not good gastrointestinal, suffering from influenza will appear digestive symptoms, such as not think of food, nausea, regurgitation, diarrhea, bloating and so on. Diarrhea and diarrhea are not the main symptoms of influenza disease, but people with influenza have diarrhea symptoms, need timely symptomatic treatment. For flu patients to drink more water, reduce to go outdoors, always observe the condition, active treatment as well as control.