Maxillary sinus cysts generally do not heal on their own. Maxillary sinus cyst is a relatively common benign sinus lesion, may be due to inflammation and infection, tumor, trauma and other factors, if the cyst is relatively small, and there is no obvious clinical symptoms, can not do special treatment for the time being. If the combination of bacterial infection, need to take antibacterial treatment, can use amoxicillin, cefadroxil and so on. When the cyst continues to grow, the rupture of the cyst wall often occurs and the yellow cystic fluid flows out. And cause symptoms of facial, pharyngeal and dental discomfort, should actively seek medical treatment, after the doctor’s examination and evaluation to take surgical treatment. Maxillary sinus cysts should be timely to the hospital, to clarify the current severity, and take targeted medication or treatment.