Diarrhea is the most common digestive tract symptom, commonly known as “diarrhea”, which refers to a significant increase in the number of bowel movements per day compared to the normal number, and is accompanied by changes in stool characteristics, the specific treatment requires a comprehensive judgment based on the cause and clinical symptoms, the common diseases that cause diarrhea are acute gastroenteritis, indigestion, etc. The main symptoms of acute gastroenteritis are fever, abdominal pain, diarrhea, nausea, vomiting, etc., generally caused by the patient’s unhygienic diet, treatment is mainly based on the degree of dehydration to determine, if the dehydration is relatively light, you can take oral medication or oral rehydration salt treatment, if the dehydration is more serious, you can carry out infusion treatment, the presence of increased blood or other bacterial infection performance, the need to actively apply antibiotics for treatment If the patient has no other serious diseases, he can recover soon after treatment. Indigestion can also cause diarrhea, the main reason is that the food can not be fully digested and caused by intestinal peristalsis, resulting in diarrhea, the treatment is generally light and easy to digest diet, taking digestive enzymes, anti-diarrheal agents (such as montelukast), probiotics, etc.. Therefore, it is necessary to pay attention to dietary hygiene to prevent the occurrence of diarrhea; do not take medicine indiscriminately when diarrhea occurs, especially when there is an increase in the number of diarrhea, and symptoms such as thirst and low urination, it is necessary to go to the hospital promptly.