付鼻窦炎是常见病。上颌窦因窦腔大、位置低,窦口高,且居筛窦和额窦后下,容易被它处炎症牵累,故上颌窦炎更为常见,其中又以细菌感染所致的化脓性上颌窦炎占极大多数。需氧菌感染为主者,脓多无臭味。厌氧菌感染为主者,脓常有恶臭,患者有不同程度的主观腥臭感,临床症状较重。笔者在临床实践中,试用0.5%～1%双氧水行上颌 Sinusitis is common. Maxillary sinus due to the large sinus, the location of low, high osseous, and ranking ethmoid sinus and frontal sinus, easy to be affected by the inflammation of the Department, so the maxillary sinusitis is more common, which in turn caused by bacterial infection purulent maxilla Sinusitis accounted for the vast majority. Aerobic bacteria infection, pus and more no odor. Anaerobic infections are predominant, often stench of pus, patients have varying degrees of subjective stench, clinical symptoms heavier. In clinical practice, I try 0.5% ~ 1% hydrogen peroxide maxillary