The right maxillary sinus left sieve sinusitis belongs to sinusitis, sinusitis if only mild can choose conservative treatment, topical nasal spray such as budesonide nasal spray, oral nasal abyssal pills and other proprietary medicines, and oral macrolide antibiotics such as clarithromycin dispersible tablets and so on. If the examination is severe sinusitis need to consider surgical treatment. Sinuses are air-containing cavities in the skull surrounding the nasal cavity also known as paranasal sinuses. They are generally divided into four groups: maxillary sinuses, sieve sinuses, pterygoid sinuses, and frontal sinuses. Due to the location of the sinuses, inflammation of the maxillary sinus is more common, followed by the sieve sinus, frontal sinus due to the deeper location of the pterygoid sinus is generally rare. Sinusitis has a high incidence rate and is a common disease in ENT. It is usually seen after a cold, when the nasal mucous membrane is congested and edematous, or when the development of the nasal cavity leads to blockage of the sinus openings, thus causing sinusitis. The main symptoms of sinusitis are nasal congestion, yellow nasal discharge, smell obstruction and headache in severe cases. Sinusitis examination needs to go to the hospital, by the professional doctor to do nasal endoscopy can understand the structure of the nasal cavity and the nasal mucosa, at the same time need to be combined with sinus CT examination. Imaging examination can clarify the degree of lesions is conducive to the choice of treatment options. If the examination for mild sinusitis conservative treatment can be, if the examination for severe sinusitis or even the whole group of sinusitis need to consider surgical treatment. Medication needs to be under the guidance of a doctor to avoid delays and adverse consequences.