Blistering at the base of the tongue may be caused by mental reasons, physical reasons or related diseases, and can be improved through diet or lifestyle habits. 1. Mental factors: too much mental stress, excessive anxiety, etc. can lower the body’s resistance, which may induce mouth ulcers after overwork, leading to blistering at the base of the tongue. 2. Physiological reasons: a lack of vitamins or endocrine disorders may lead to oral herpes virus infection and blistering at the base of the tongue. 3. Disease factors: If you suffer from tonsillitis or chronic pharyngitis, it may lead to lymphoid follicular hyperplasia at the base of the tongue, which in turn leads to blistering at the base of the tongue. Blistering at the base of the tongue diet should pay attention to avoid eating spicy and stimulating food, quit smoking and drinking, supplement vitamins, eat more vegetables and fruits. Symptoms did not significantly improve, timely consultation, identify the cause of the disease, symptomatic treatment.