A normal sex life does not usually lead to diarrhea, but if you overindulge in sex or have too many patterns during sex, it may lead to pathogenic bacteria entering the gastrointestinal tract causing gastrointestinal dysfunction and diarrhea. Usually, overindulgence leads to a decrease in the body’s immune function and resistance to disease, which makes it more susceptible to infection by allergenic bacteria, leading to indigestion, gastrointestinal disorders, acute gastroenteritis, etc., which may lead to diarrhea. According to Chinese medicine, over-indulgence may cause kidney Yang deficiency, which may also lead to the symptoms of loose stools. In addition, sex, by the body hormone level changes, violent activity, the gastrointestinal tract will appear spasm or intensify peristalsis, can also cause frequent bowel movements symptoms. It is recommended that sex must be moderate, so as not to affect the next day’s work and do not produce discomfort as a principle.