Diarrhea can be caused by overwork, dietary disorders, and emotions. 1. Excessive fatigue: Excessive fatigue will cause some damage to the spleen and stomach, and after a long time, the positive qi will be damaged and diarrhea will occur. 2. Dietary disorders: Eating a lot of cold, sweet and thick food will affect the function of the spleen and stomach, which will cause diarrhea. 3. Emotions: If the patient is prone to anger and overthinking in normal life, it will affect the function of the spleen and stomach, which will cause diarrhea. If the situation is serious, go to the hospital for consultation, and clarify the cause of the disease and timely symptomatic treatment.