Sore throat can be caused by oral diseases, pharyngeal diseases, esophageal diseases, penile syndrome and so on, it is recommended to consult a doctor in time. 1. Oral diseases: such as thrush, purulent mandibulitis, cancer of the floor of the mouth, etc. Patients may also be accompanied by oral lesions, throat obstruction, swallowing pain, fever and other discomforts. 2. Pharyngeal diseases: such as pharyngitis, laryngitis, epiglottitis, tonsillitis, peritonsillar abscess, pharyngeal burns, pharyngeal foreign body, etc., and the patients may also be accompanied by fever, lack of appetite, hoarseness, cough and other discomforts. 3. Esophageal diseases: such as reflux esophagitis, esophageal cancer, etc., patients may also be accompanied by acid reflux, heartburn, swallowing pain, chest pain, dysphagia and other discomforts. 4. Stenosis syndrome: the distal position of the stenosis is close to the blood vessels and nerves in the neck, which triggers a series of symptoms. In addition to sore throat, patients may also have pharyngeal foreign body sensation, headache, earache, tinnitus, tongue pain and other symptoms. If the symptoms of sore throat persist without relief or are accompanied by other discomforts, it is recommended that the patient consult a doctor to find out the cause of the disease and follow the doctor’s instructions to carry out the appropriate treatment.