Chronic sinusitis, which is common in daily life, is mostly caused by acute sinusitis that does not heal and develops, and some patients can be seen as a result of allergic diseases, or the influence of anatomical factors such as a more hypertrophic nasal septum deviation, as a chronic infectious inflammation of the sinuses. In winter and autumn high, the onset of children is also very common. Chronic sinusitis, there are several typical symptoms: 1, prolonged nasal congestion, runny nose. This is the most obvious manifestation of chronic sinusitis. 2, the sense of smell is reduced, the sense of smell is not sensitive, nasal sound is obvious. It is related to the nasal cavity and olfactory nerve obstruction. It is more sensitive in winter and spring or after cold air stimulation. 3. Frequent dizziness and headache, fatigue and weakness. This is the most common comorbidity of sinusitis. 5. Bad taste in the mouth, which is caused by sinusitis. 6.The upper part of the nasal cavity is seen to have edema or hypertrophy of the turbinates, or even polypoid changes on examination. There are mucopurulent secretions on the surface of the nasal passages and turbinates. Chronic sinusitis affects the quality of life, there will be frequent nasal congestion, runny nose, hyposmia, loss of taste, memory loss, general weakness, dizziness is obvious, when the cold is cold, this situation is more obvious, at the same time will aggravate the patient’s respiratory tract infection symptoms, so you need to actively deal with the original disease, nasal irrigation, anti-infection treatment.