There is nodular infiltration under the nasal mucosa followed by erosion, which may lead to scarring adhesions. Atrophy occurs in late stages due to dry crusting of the nasal cavity. Narrowing of the anterior nostril occurs. The nasal mucosa is pale and thickened, the secretion increases, and there may be pus and nasal bleeding, but the patient may not feel pain. So, what are the preventive measures for nasal mucosal ulceration and atrophy? The following are preventive measures for nasal mucosal ulcers and atrophy: 1. Rinse the nasal cavity with warm saline to help remove scabs and reduce odor. The specific practice is to wash repeatedly with saline and wash until clean. 2.Eating foods containing a lot of vitamins (especially vitamin A, B, E, etc.), preventing colds, and reducing the stimulation of the nose. 3, white radish boiled water to cure nasal congestion: take 3 – 4 white radish put in a pot with water to boil, that is, after boiling with the nose to suck steam, a few minutes later, the nose gradually smooth, the headache disappeared. You can also soak sliced radish in a cup and inhale the steam through the nose. 4.Ligusticum rhizoma Shangqing pill. Take as directed. 5.Softening liver and generating fluid soup: 6 grams of green calyx plum, 9 grams of chrysanthemum, 12 grams of dried groundnut, 9 grams of mulberry leaf and 9 grams of asparagus. Decoction with water, daily dose, 7 days as a course of treatment.