Maxillary sinusitis can be clinically cured by standardized treatment but cannot be eradicated. Treatment methods include general treatment, drug treatment, physical therapy, surgical treatment and so on. 1. General treatment: patients with maxillary sinusitis should pay attention to rest, take high-nutrition diet as the main focus, quit smoking, limit alcohol, eat less spicy and fatty food, keep the nasal passages open, enhance physical fitness, prevent colds and flu, and actively treat chronic systemic diseases. 2. Drug therapy: maxillary sinusitis patients can use antibiotics under the guidance of the doctor, such as roxithromycin, cefixime, etc.; nasal glucocorticosteroids, such as budesonide, fluticasone propionate, etc.; intranasal decongestant, such as furosemide nasal drops, seroquel, hydroxymethazoline nasal drops, etc. for treatment. 3. Physical therapy: patients can be treated by ultrasonic nebulization, steam inhalation, short and medium wave or ultrashort wave therapy to relieve symptoms. 4. Surgery: For patients whose conservative treatment is ineffective or whose condition is serious, sinus endoscopic surgery can be used for treatment. It is recommended that patients strictly follow the doctor’s instructions for medication, do not change the dose of drugs or abuse drugs privately, so as not to aggravate the condition, patients should pay attention to warmth in life, to avoid the stimulation of the cold air, when going out, you can choose to wear a mask to go out and have a hobby of smoking and drinking as much as possible to give up smoking and quitting drinking and so on.