There are several reasons for blistering at the root of the tongue: first, inflammation of the taste papillae at the root of the tongue, the main distribution of the contour papillae at the root of the tongue, the inflammation of the papillae will cause redness and hardness on both sides of the root of the tongue, the serious inflammation also leads to swollen lymph nodes in the neck; second, suffering from herpes pharyngitis, the disease is caused by herpes virus infection, the symptoms are dense patches of small blisters in the pharynx and cheeks, treatment is mainly The treatment is mainly based on antiviral treatment, you can take antiviral oral liquid, Banlangen granules, etc., and pay attention to adequate rest to enhance the body resistance; third, suffering from chronic pharyngitis and tonsillitis, these two inflammatory diseases will cause the lymphatic follicles of the tongue root hyperplasia, causing the tongue root blistering, treatment is mainly to remove the cause of symptomatic treatment, and so the corresponding parts of the inflammation eliminated, the enlarged lymphatic follicles will gradually disappear.