Dry and crusty nostrils are a more common clinical disease is dry rhinitis, and some patients who are post-surgical sinusitis are also prone to dry crusting in the nasal cavity. For this situation, it is recommended that patients can do the following treatment: 1. You can use saline to do nasal rinse treatment, saline to do nasal rinse, can rinse off a large number of crusts inside the nasal cavity. At the same time, it can also keep the nasal mucosa moist and can flush out the dirty secretions in the nasal mucosa; 2. You can use erythromycin eye ointment or recombinant bovine basic fibroblast growth factor gel to do the local application of nasal nostril treatment. These can keep the local moist, avoid local mucous membrane erosion, reduce the local mucous membrane ulceration, have a very good effect. If patients cooperate, they can also use compound menthol nasal drops on the nose, which is also very effective in keeping the nasal mucosa moist.