Inflammation of the maxillary sinus, sieve sinus and pterygoid sinus all belong to sinusitis, and the main treatment methods are general treatment, medication, surgery and so on. 1. General treatment: Use saline or hypertonic saline to rinse the nasal cavity properly, which can rinse out part of the secretion in the nasal cavity and effectively keep the nasal cavity moist. 2. Medication: Acute sinusitis can be treated with macrolide antibiotics, such as Roxithromycin, as well as proprietary medications, such as Nasal Abyssal Oral Liquid, under the guidance of a doctor. Topical medications include glucocorticoid nasal sprays (e.g., mometasone furoate nasal spray) and decongestants (e.g., hydroxymetazoline). 3. Surgery: If drug treatment is ineffective or if there are abnormalities in the structure of the nasal cavity, surgical treatment can be carried out, such as sinus puncture and rinsing, sinus open surgery and so on. Sinusitis requires conservative treatment should be more than 12 weeks, follow the doctor’s instructions to standardize the use of drugs and treatment, regular follow-up.