Exam diarrhea, considered to be caused by the vegetative nerves, can be changed through their own mediation. It is recommended that patients maintain a good and relaxed mood during the examination, not overly nervous, which will not only affect the play, but also cause physical nerve tension, you can do more exercise, listen to music and walk or jogging in the days before the examination, diet should be light, less greasy and spicy food, less fried and puffed food, reasonable diet, eat on time, regular meals, avoid overeating, as long as you adjust the anxiety and nervousness of the psychological The state of the exam diarrhea will be improved to a certain extent, do not be overly concerned. If more serious, may be the intestinal flora imbalance, can be to take Chinese medicine or other drugs to control, do not worry too much, as long as the active mediation, will certainly be improved.