Sinusitis can be classified as acute or chronic and may or may not be accompanied by nasal polyp growth. This disease causes the loss of sense of smell, through timely and standardized treatment may be able to gradually restore the sense of smell, commonly used methods include medication, surgical treatment and general treatment, some patients with a long history of disease, or some specific types of pathology can not be restored. Most of the patients with sinusitis suffer from olfactory loss because of repeated episodes of rhinitis, which causes congestion and edema of the nasal mucosa, resulting in impaired function of the olfactory cells, and thus olfactory loss. It can be treated by the following methods: 1. Medication: Commonly used medications include decongestants, glucocorticoids, antibiotics, mucolytics and anti-allergic drugs. 2. Surgical treatment: It is suitable for patients who have been invalidated by medication. It can be treated by nasal endoscopic surgery. 3. General treatment: Nasal rinsing is to choose saline, hypertonic saline and other drugs to rinse the nasal cavity. Sinusitis causes loss of sense of smell, it is recommended that patients go to the hospital in time to clarify the diagnosis and the extent of the disease, under the guidance of the doctor to choose the targeted medication and treatment, in order to effectively improve and alleviate the symptoms.