Visible tongue teeth marks are usually the result of a fat tongue, missing teeth or neurological disorders. It is recommended that the patient be treated under the guidance of a doctor. 1. Large tongue: the tongue and mouth of patients with fat body will become larger, so there will be obvious tongue teeth marks. Patients should quit smoking and drinking to reduce the stimulation of the tongue, and clean the gap between the teeth in time to avoid gingivitis and other oral diseases. 2. Missing teeth: Patients with missing teeth will bite their tongue inappropriately, which will lead to obvious lingual teeth marks. Patients should repair the missing teeth in time, avoid eating too hard food, and rinse the mouth after meals to maintain oral health. 3. Nervous system disorders: Nervous disorders are generally caused by neurological disorders, manifested as rapid heartbeat, elevated blood pressure, neurasthenia and other symptoms. Nervousness can lead to insomnia, insomnia usually appear tongue teeth marks obvious. It is recommended that patients go to the hospital in time for diagnosis and treatment under the guidance of a doctor.