Ear diseases: acute and chronic purulent otitis media, secretory otitis media, ear pain, deafness, tinnitus, outer ear eczema, cerumen embolism, external ear canal boils, otitis externa, tympanitis, otogenic vertigo, etc. Main symptom manifestations: ear pain, ear stuffiness, ear itching, hearing loss, tinnitus, dizziness, ear pus, foreign body in the ear canal, ear bleeding, unidentified mass around the ear, etc. Nasal diseases: acute and chronic rhinitis, acute and chronic sinusitis, allergic rhinitis, rhinorrhea, post-operative Chinese medicine treatment for nasopharyngeal cancer, atrophic rhinitis, nasal vestibulitis, nasal boils, nasal vestibular eczema, rosacea, abnormal sense of smell, etc. Main symptoms: nasal congestion, runny nose, sneezing, itchy nose, itchy throat, itchy eyes, nasal reflux, open mouth breathing during sleep, snoring, headache, orbital pain, rhinorrhea, nasal dryness, abnormal nasal ventilation, nasal pain, external nasal redness and swelling, abnormal sense of smell, etc. Pharyngeal diseases: acute and chronic pharyngitis, acute and chronic laryngitis, acute and chronic tonsillitis, pediatric adenoid hypertrophy, peri-tonsillar abscess, pharyngeal heterosensitivity, hoarseness, cough, etc. Main symptoms: dry throat, itchy throat, sore throat, cough, foreign body sensation in throat, throat clearing, nausea and vomiting when brushing teeth, hoarseness, chest tightness and shortness of breath, fever, repeated inflammation of tonsils, snoring, children sleeping prone with open mouth breathing, etc.