A dry throat and a weak nose can be caused by an upper respiratory tract infection, or it can be caused by laryngitis combined with nasal polyps and other diseases. Upper respiratory tract infection can appear dry throat, the nose does not breathe the symptoms, this is due to the upper respiratory tract infection, pharyngeal inflammation can appear throat dry itchy, painful symptoms, if at the same time accompanied by the inflammation of the nasal mucous membrane of edema, can lead to the narrowing of the nasal passages, and then appeared in the nasal congestion, the symptom of airlessness. When pharyngitis or laryngitis is combined with nasal polyps, deviated nasal septum and other diseases, these diseases can lead to the symptoms of dry throat and nasal airlessness respectively. Pharyngitis and laryngitis can lead to burning and dryness in the throat. Nasal polyps and deviated septum can block the nasal airway, leading to symptoms of nasal congestion. If the symptoms of dry throat and nasal congestion occur, the patient should consult a doctor in time to find out the cause and be treated with standardized treatment for the related diseases.