Paranasal sinusitis, or sinusitis, can be treated with targeted medication, nasal irrigation, and surgery. 1.medication: ① glucocorticoid nasal spray for local treatment, can effectively relieve runny nose, nasal congestion and other symptoms. ② clear bacterial infection, commonly used antibiotics to control infection, such as: amoxicillin clavulanate potassium, cefuroxime, etc.. 2. Nasal irrigation treatment: saline or hypertonic saline solution can be used for nasal irrigation. 3. Surgical treatment: For patients with nasal polyps or abnormal nasal anatomy, under the premise of ineffective standardized conservative treatment, surgical treatment can be carried out after evaluation by a specialist. If the diagnosis is sinusitis, you should actively consult a doctor for a systematic examination, and follow the doctor’s instructions to standardize the medication and treatment after clarifying the condition.