Sinusitis can be caused by different etiologies. Sinusitis caused by allergic factors can be treated with anti-allergy medication, while if it is caused by other factors, the appropriate treatment needs to be chosen in conjunction with the cause of the disease. Sinusitis is an inflammation of one or more sinuses caused by bacterial, fungal, viral infections or sinus infections caused by acute rhinitis. If the sinusitis is caused by allergic factors, it can be treated by taking anti-allergic drugs, such as loratadine, montelukast sodium tablets, etc., and at the same time localized nasal spray glucocorticosteroid drugs, such as mometasone furoate nasal spray, budesonide nasal spray and so on. If the sinusitis is caused by infectious factors, it is necessary to cooperate with the doctor to choose cephalosporin antibiotics such as cefdinir, cefixime, etc. for treatment. Structural abnormalities can be treated by sinus and nasal passage complex surgery. It is recommended that patients should consult a professional doctor before using medication, avoid self-medication, and go to the hospital in time if adverse reactions occur.