Exam tension diarrhea, this situation belongs to gastrointestinal dysfunction caused by diarrhea, candidates can prepare their own probiotic oral treatment 1-2 days before the exam, such as oral Clostridium typhimurium live tablets or Bacillus coagulans or Bacillus subtilis (live bacteria) capsules. For candidates who are really afraid of the exam, they can also add 1 more probiotic treatment at the time of the exam. At the same time, you must adjust your mind, relax, eliminate tension and ensure sufficient sleep. In the diet should also pay attention to a light diet, do not eat cold, sour and spicy, stimulating food, also do not eat pickled products, must ensure the safety of food, do not drink alcohol, do not smoke. If you are really too nervous, you can also temporarily take 1 oral montelukast to stop diarrhea treatment.