The difference between sinusitis and nasal polyps mainly lies in the different causes, clinical manifestations and treatment methods. 1. Pathogenesis: Sinusitis is mostly due to upper respiratory tract infection, sinus mucosa secondary bacterial infection, such as Staphylococcus aureus, streptococcus can trigger sinusitis. Nasal polyps may be caused by family genetic factors, but also because of long-term chronic rhinitis, allergic rhinitis. 2. Clinical manifestations: Sinusitis is mainly an inflammatory reaction, which can be manifested as pus, headache, etc. The nasal mucosa is congested, and purulent secretions can be seen in the nasal passages. Nasal polyps are translucent lychee-like new organisms in the nasal cavity, and their common symptoms are persistent nasal congestion, aggravated with the growth of polyp size, and increased nasal secretion. 3. Treatment: Sinusitis medication is usually oral broad-spectrum antibiotics, such as amoxicillin clavulanate potassium, cefuroxime, etc., nasal decongestants, such as furosemide nasal drops, mucus drainage agents such as eucalyptus pinocchio enteric soft capsule. Nasal polyps can be controlled by medication, local topical nasal sprays such as budesonide nasal spray, fluticasone propionate, etc., and surgical resection is required for severe cases. Nasal discomfort, should go to the hospital, under the guidance of professional doctors for medication and surgical treatment.