Three or four times in the morning is usually a manifestation of diarrhea, may be due to abdominal cold, intestinal dysfunction, indigestion, acute gastroenteritis and other causes. 1. Abdominal cold: may be due to sleep at night without a good cover, resulting in abdominal cold, intestinal peristalsis will increase, resulting in frequent stools caused by diarrhea. 2. Intestinal dysfunction: it may be caused by the interaction of social, psychological and biological factors, and often manifests itself in diarrhea, abdominal pain, nausea and other symptoms. 3. Dyspepsia: Most of them are caused by improper diet, such as eating too much greasy food, which will easily cause dyspepsia and lead to diarrhea. 4. Acute gastroenteritis: mostly seen in summer and fall, may be caused by unclean diet, can cause nausea, vomiting, diarrhea and other symptoms. If the symptoms of diarrhea, pay attention to observation and supplemental water, symptoms continue to fail to improve, need to consult a doctor in a timely manner.