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, and is connected to the lower end of the tonsils. In severe cases, there are local ulcers and purulent secretions attached to the root of the tongue, and abscesses at the root of the tongue can occur. To prevent tongue root abscess, we should strengthen exercise, especially in winter, and participate in more outdoor activities to enhance the body’s ability to adapt to the cold and reduce the chances of tonsillitis. Keep your mouth clean and rinse your mouth after eating. It is advisable to eat light and easily digestible food; food rich in high quality protein; food rich in vitamins. The following foods are recommended to be eaten in moderation: 1, winter melon Winter melon belongs to the dietary fiber food, easily absorbed by the intestinal mucosa, has the effect of cooling the summer and quenching thirst, moistening the throat and resolving phlegm, which helps patients recover. 200-300 grams per day is appropriate. 2. Soybean milk Soybean milk is rich in high-quality vegetable protein, as well as a variety of essential mineral elements for the body to improve nutrients, improve immunity and enhance resistance to disease. 300-500 ml per day is appropriate. 3, lemon Lemon is rich in vitamin C, vitamin A and other trace elements, has a clear heat detoxification, phlegm and cough and other effects. It is appropriate to drink 300-500 ml of water every day. Patients with tongue root abscess should not eat spicy and stimulating foods; such as chili, pepper, ginger; foods that are easy to produce gas; such as sweet potatoes, onions; foods rich in fat; such as fatty meat, lard, mutton oil. The following foods are recommended to eat less or not: 1, chili pepper irritation is relatively large, easy to stimulate the throat, tonsils congestion and swelling aggravated, affecting the absorption of nutrients, is not conducive to the recovery of patients. 2, onions Onions are easy to produce gas food, easily lead to intestinal distention, abdominal distension, affecting the absorption of nutrients, not conducive to patient recovery. 3, lard Lard is rich in a large amount of fat, easy to nourish bacteria leading to inflammatory bacterial infection, aggravating the patient’s condition, not conducive to the patient’s recovery. It is advisable to eat low-fat food.