The clinical differences between thyroiditis and pharyngitis are mainly manifested in the following three points: first, thyroiditis, the vast majority of which is subacute thyroiditis, usually has a viral infection of the upper respiratory tract a week before, so the causative agent is a virus; pharyngitis whose causative agent can include bacteria, viruses or other microorganisms, or even harmful industrial gases. Second, in terms of clinical manifestations, subacute thyroiditis mainly manifests as neck pain, sometimes more intense; pharyngitis mainly manifests as respiratory tract infection or cough, or even nausea and other symptoms. Third, in terms of treatment, subacute thyroiditis treatment usually requires hormone therapy, the commonly used clinical drug is prednisone; while pharyngitis treatment is mainly anti-viral, anti-infective, antibiotic therapy, while avoiding triggers, such as isolation from the stimulation of harmful gases.