Frequent diarrhea in summer may be associated with bacterial growth, mosquito transmission and poor dietary habits, and other factors, the specific situation varies from person to person. 1. With the rise of temperature in summer, it is easy to lead to the growth of bacteria, and there are a lot of bacteria and viruses on food and in the air in our daily life, which can easily cause intestinal bacterial infections or viral infections in human body, thus causing diarrhea symptoms. 2. In summer, with the increase of flies and mosquitoes, if they carry disease-causing bacteria to contaminate food and water, they can spread diseases, which can further cause intestinal infections in human beings, thus leading to the occurrence of frequent diarrhea symptoms. 3. When the weather is hot in summer, we usually eat refrigerated food to cool down, such as cold drinks, ice-cream, etc., when eating too much can cause abnormal gastrointestinal tract dynamics, which can further lead to diarrhea symptoms. If you have frequent diarrhea in the summer, you should seek medical treatment in a timely manner, not without authorization, so as not to delay the condition. Pay attention to rest on weekdays, rationalize your diet, and avoid catching cold.