Patients who have particularly dry nasal mucosa can consider rinsing their nasal cavity with saline, preferably 2-3 times a day, which can effectively play the role of cleaning the nasal cavity and also moisturizing. When the patient’s dry nasal symptoms gradually improve, the patient can reduce it to once a day. Sometimes because patients work at construction sites or outdoors, they are often exposed to a lot of dust, so in order to clean the nasal cavity, it is enough for patients to wash once at night, which can effectively reduce the chance of infection of the patient’s nasal mucosa. Sometimes, in order to carry convenient, patients can buy physiological sea saline, which can also play a role in cleaning and improving the patient’s nasal ventilation. If, after active treatment, the patient still feels uncomfortable in the nose, consider going to the hospital for further examination.