Chronic sinusitis can be treated conservatively with antibiotics, mucus promoters, leukotriene receptor antagonists and other drugs under the guidance of a doctor. 1. Antibiotics: Chronic sinusitis is an inflammatory reaction of the sinuses, which requires anti-inflammatory treatment, often choosing macrolide antibiotics, mostly clarithromycin. 2. Mucus promoter: chronic sinusitis is usually accompanied by pus, can be applied eucalyptus pinocchio, etc., to promote the discharge of secretions. 3. Leukotriene receptor antagonist: such as montelukast sodium, can relieve nasal inflammation or allergy symptoms, and pay attention to nasal cleaning, improve chronic sinusitis symptoms. Chronic sinusitis, need to eat a light diet, avoid spicy stimulating food, regular review, if the symptoms are serious, need to go to the hospital in a timely manner, standardize the effect of conservative treatment is not good, can be evaluated by the doctor through the surgery for treatment.