Common causes of lingual inflammation include malnutrition, micronutrient deficiencies, and oral problems; its symptoms are mainly characterized by skin lesions such as spots on the tongue, accompanied by numbness, pain, and dry mouth. There are more causes of lingual inflammation, and systemic factors are common, such as malnutrition, vitamin deficiencies, endocrine disorders, the effects of menstrual cycle, anemia, as well as fungal infections, and the abuse of antibiotics. Local factors are common such as sharp tooth tips, calculus, bad restorations and eating irritating foods. Patients with glossitis mainly have red spot-like lesions on the anterior part of the tongue, and there are often superficial ulcers or recurrent follicular stomatitis on the erythema. Patients are self-conscious of numbness and burning sensation, which will be more obvious when eating, and the symptom of dry mouth will occur when saliva decreases. It is recommended that patients with the above symptoms go to the hospital for treatment in a timely manner, pay attention to oral hygiene, pay attention to rest, and avoid overwork.