In the diet for acute pharyngitis, patients need to eat as little as possible or avoid spicy and irritating foods, such as onions, ginger, garlic, fish, shrimp, crab, seafood, barbecue, and alcohol. They should also avoid acidic fruits, such as tangerines, grapefruits, and oranges, as these foods can cause sudden congestion and swelling of the mucous membrane in the throat. This can lead to increased throat pain, as well as sensations of a foreign body, obstruction, and burning in the throat. Acute pharyngitis occurs when a virus or bacteria invades due to lowered immunity and resistance in the body, causing symptoms in the throat. Patients may experience fever, swelling, pain in the throat, and a foreign body sensation, primarily characterized by painful swallowing. Treatment initially requires symptomatic anti-inflammatory treatment, combined with nebulized inhalation, which has good therapeutic effects. A light diet and abstaining from smoking and alcohol will gradually lead to improvement.