Azithromycin can treat pharyngitis, especially the acute phase of pharyngitis, the application of azithromycin will be more effective, it can effectively kill the bacteria that cause acute pharyngitis, while reducing the patient’s pharyngeal mucous membrane congestion, inflammation, edema, reduce the patient’s throat foreign body sensation, reduce the symptoms of sore throat. Patients need to clarify whether they have allergies to azithromycin before using the drug, and drink more water to promote the absorption and metabolism of the drug. Patients must exercise more to improve their immune system to avoid acute pharyngitis, and at the same time can consider using citrus or fat sea to drink water, can also assist in the treatment of pharyngitis. The diet must be light, avoid spicy, stimulating food, and if necessary, consider further consultation with the hospital.