The fire in the mouth may first of all be caused by the habits of life is not very good, in this case you need to be as regular as possible, pay attention to early to bed and early to rise, but also drink more water, try to eat less spicy, stimulating food, and can eat less hot fruits that are easy to cause fire. Also pay attention to not have too much emotional fluctuations, reduce their own easily nervous, anxious negative emotions. The second is due to inflammation and fire, in this case can come to take some anti-inflammatory, fire medication, such as niuhuang detoxification tablets and three yellow tablets, etc., these drugs can help reduce fire.