Pterygoid sinusitis is a kind of sinusitis, for patients with mild symptoms of pterygoid sinusitis, after standardized treatment under the guidance of a doctor, it will not develop very seriously. If the relevant treatment is not taken, a variety of complications may occur, and the consequences are more serious. For patients with mild pteroid sinusitis, glucocorticoid nasal sprays can be applied, and if the nasal congestion is heavy, decongestants such as pseudoephedrine hydrochloride can be applied for a short period of time, not exceeding 7 days. If the combination of bacterial infection can be applied antibiotics, such as cefradine, roxithromycin, etc., with the above drug allergy is prohibited. The above drugs are recommended to be applied under the guidance of doctors. However, if the patient does not take the relevant treatment, the condition may continue to worsen and even cause intraorbital and intracranial complications, such as periorbital cellulitis, orbital subperiosteal abscess, intraorbital abscess, epidural abscess, and suppurative meningitis, etc. Though it is relatively rare, the consequences are very serious. Once diagnosed with pterygoid sinusitis, patients are advised to cooperate with doctors for standardized treatment to avoid delaying the condition.