Examination reveals congested and swollen tonsils, mostly with yellowish-white purulent discharge at the mouth of the trap, more so in cases of follicular suppuration, and small yellowish-white abscesses under the mucosa. The patient has swollen and painful lymph nodes in the jaw angle and elevated white blood cells in the blood. Chronic tonsillitis has no obvious conscious symptoms, but may have a dry throat, foreign body sensation, etc. There is often a history of repeated acute tonsillitis episodes, and in children, excessive tonsillar hypertrophy may affect breathing and swallowing. On examination, chronic congestion of the tongue and palate arch, chronic congestion or scarring of the tonsils, caseous pus at the trap, and enlarged lymph nodes in the mandibular angle are seen. Pharyngeal disorders that need to be differentiated from acute tonsillitis include pharyngeal diphtheria, Winsor’s pharyngitis, mucocytopenic pharyngitis, ulcerative pharyngitis, and pharyngeal keratosis. Tonsillitis can cause a variety of complications, such as peri-tonsillar abscess, rheumatism, acute glomerulonephritis, arthritis, and myocarditis. In the season of cold and flu epidemic, when there is red face and slight cough, you can brew Pancreatic brew as tea, which can play a preventive role. Do not eat spicy food and quit smoking and drinking. Pay attention to the environment. In the summer, the temperature difference between the air-conditioned room and the outdoors should not be too large, the temperature should not be adjusted too low, generally not less than 25 degrees Celsius. Will go out, first open the door at the door to adapt to half a minute, and then go out. The air in the room should be kept fresh and circulating, and the relative humidity should be 45% to 55%. Pay attention to oral hygiene and develop good living habits. Eat on time, drink more water, eat more vegetables and fruits, do not favor meat, especially not too much fried chicken, fried fish.