The drug treatment of maxillary sinusitis includes antibiotics such as penicillin, glucocorticosteroids such as prednisolone, antihistamines such as loratadine, etc. The specific drug treatment needs to strictly follow the doctor’s instructions. 1. Antibiotics. Including amoxicillin, clarithromycin, erythromycin, etc., to control infection and relieve symptoms. 2. Glucocorticoids. Including budesonide, fluticasone, etc. to control inflammation and reduce mucosal swelling. 3. Decongestants. Including naphazoline, etc. to contract the mucous membrane, reduce nasal congestion and other uncomfortable symptoms. 4. Antihistamines, including loratadine or cetirizine to relieve allergic reactions. 5. Mucolytic agents, including eucalyptus-pinocampus enteric soft gelatin capsule, etc. to dilute urine and promote the discharge of secretions. All medications should be used in strict accordance with the doctor’s instructions, do not arbitrarily increase or decrease the dosage, if there is any discomfort, consult a doctor in a timely manner. Avoid stimulating food, have regular checkups, and keep a good attitude.