Dryness of the nasal cavity and nasopharynx is considered as an upper respiratory tract infection, which may cause acute rhinitis and acute nasopharyngitis. In case of upper respiratory tract infection, dryness of the nasal cavity and nasopharynx is the first symptom, followed by local pain or nasal blockage. In early viral infections, there is no specific medicine, symptomatic treatment can be carried out, drink more water, pay attention to rest, do not eat spicy and irritating food, do not drink and smoke. If there is no secondary bacterial infection, it will heal itself in about 1 week. If the symptoms of dry nose and nasopharynx are serious, physiological seawater nasal spray can be used to spray the nose, or warm saline to cleanse the nasal cavity, and nasal drops with compound camphor mint oil. The specific situation needs to go to the Department of Otolaryngology for a clear diagnosis and treatment under the guidance of the doctor.