Biyantong ointment can be applied to the nasal cavity to moisten and soften the nasal mucosa.
You can also dip sterile cotton wool in light salt water and put it in dry nostrils, and take it out when you feel that the dryness has improved.
Usually drink more water and eat more fruits such as pears.
You can also boil radish water to drink.
Dietotherapy has no toxic side effects, so it is best to go to a hospital for diagnosis.