The more common symptoms of dry sinusitis are nasal congestion, dry and painful nasal cavity, bloody nasal mucus, and possibly nasal odor, and some patients will have recurrent nasal bleeding. After the onset of the disease, it is recommended to visit the ENT department, where routine blood tests, nasal endoscopy and sinus CT examination can be done to determine the condition initially. In terms of treatment, most patients can choose conservative drug treatment, more commonly used is oral drugs, nasal spray drugs. At the same time, the nasal cavity can be rinsed with saline, and cod liver oil can be used to keep the nasal cavity moist after rinsing. However, it is difficult to cure the disease and is prone to recurrent acute attacks. Therefore, it is necessary to carry out long-term regular follow-up examinations to observe the recovery situation.