Frequent diarrhea in summer may be due to bad habits, indigestion, enteritis and other factors. 1. Bad habits: most people live or work under air conditioning for a long time in the summer, which can lead to abdominal cold, and when the abdomen is cold, the intestinal tract will show increased peristalsis due to the stress response, and diarrhea symptoms will occur. 2. Indigestion: most people eat a cool diet in the summer, the intestines will be intake of cool food and indigestion, causing frequent diarrhea symptoms. 3. Enteritis: summer food is not easy to store, it is easy to deteriorate, when eating spoiled food, it will cause bacterial or viral infections, resulting in enteritis attacks and frequent diarrhea symptoms. Frequent diarrhea in summer may also have other causes, it is recommended to go to the hospital, under the guidance of the doctor to give appropriate measures.