Blistering of the tongue is associated with excessive stress or the consumption of spicy and irritating foods. Blistering of the tongue is a common symptom of mouth ulcers, also known as mouth sores, is a recurrent disease of the oral mucosa, one or several round ulcers may appear around the tongue, sometimes with a white pseudomembrane on the surface, and there may be symptoms of redness, swelling, concavity and pain, especially pain is sometimes more pronounced. Sometimes it is related to excessive mental stress, easily appears when on fire, including stomach fire or liver fire, or dry mouth are easy to trigger the blistering of the tongue. Blistering of the tongue is also sometimes related to eating spicy and irritating foods. For example, fried foods, or meat foods, you should pay attention to a light diet and eat more vegetables and fruits. Blistering of the tongue may also be related to the presence of bad restorations in the mouth, such as unsuitable dentures, thin-walled weak tips from uneven tooth wear, or stumpy crowns and roots that have no value for retention, which need to be removed as soon as possible to avoid the possibility of malignant changes in the long term. Blistering of the tongue usually heals on its own after two weeks of removal of the cause, but for those that do not heal after more than two weeks or for those that do not heal for a long time, pathological examination is required. Blisters on the tongue may be related to the consumption of spicy food or local mechanical stimulation, or may be related to mental stress.