Abscess at the root of the tongue is a typical symptom of acute lingual tonsillitis. The lymphatic tissue at the root of the patient’s tongue is granular and elevated, congested and swollen, connected to the lower end of the tonsils, and in severe cases, there are local ulcers and purulent secretions attached. The following points should be noted for the prevention and care of tongue root abscess: 1. Remove the causes and actively treat inflammatory lesions of the respiratory tract, such as chronic pharyngitis and chronic tonsillitis, quit smoking and drinking, use less irritating food, and manage environmental pollution. Local rubbing of 5% to 10% silver nitrate or 1% iodoglycerin can often reduce symptoms. 2, surgical treatment can be in 0.5 to 1% of the mucosal surface anesthesia and adrenaline 1% procaine or lidocaine local submucosal infiltration anesthesia, with tongue tonsillectomy knife, grasping forceps, trap, long scissors, hemostatic forceps and metal angular tongue depressor and other instruments, the tongue tonsils will be removed. It can also be treated by freezing, electrocoagulation or laser, etc., can be cured. 3, eat more taro, cicada, water chestnuts, kelp, jellyfish and other foods, because it has the role of promoting tonsil degeneration and atrophy. 4, strengthen exercise, especially in winter, to participate in more outdoor activities, so that the body’s ability to adapt to the cold is enhanced, reducing the chances of tonsillitis. 5.Keep your mouth clean and rinse your mouth after eating. 6.Eat a semi-liquid diet, such as pasta sheets and chicken cake, for 1 to 2 weeks after surgery.