Dry nasal mucous membrane is usually very dry because the patient’s nasal mucous membrane is very dry and the secretion of nasal mucous membrane itself is low. Sometimes, when affected by seasonal factors, such as the air is very dry in autumn and winter, such a situation will easily lead to a particularly high amount of dry nasal mucus. If the nostrils of patients with dry nasal discharge are blocked, they will often have trouble breathing, so it is recommended that they must be actively dealt with. Patients should take more vitamin C to be able to improve their resistance and avoid colds. Because after the cold patients may have more nasal mucus, there is also the air environment to pay attention to moisturizing, you can buy air humidifier. Avoid blowing air conditioning for a long time in autumn and winter, and the dry air will be more obvious when the nasal passages are dry for a long time.