In life, if a patient suddenly has pain on one side of the throat, especially when swallowing, it is often due to throat infection, common diseases include peri-tonsillitis, parapharyngeal gap infection, etc.. In the treatment, active anti-inflammation is needed. The commonly used oral drugs in the clinic are cephalosporins, and it is necessary to clarify whether the patient has any history of allergy to cephalosporins before using them, and the commonly used drugs in the clinic are cefdinir dispersible tablets and cefixime capsules, together with Pudilan anti-inflammatory oral solution and Shuanghuanglian oral solution, the effect will be better. In terms of diet, patients need to pay attention to try not to eat too spicy and stimulating food, and can eat more watermelon and pear which can effectively moisten the throat and reduce the pain of the patient’s throat. If the pain is obvious, or accompanied by fever and breathing difficulties, it is best to have a detailed examination at the ear, nose and throat department of a regular hospital as soon as possible to avoid delaying the condition.