化脓性中耳炎的局部治疗方法甚多,但效果尚不够满意。因为常用的外耳道吹粉和滴药法还存在着两个问题:一是外耳道由于生理上的弯曲,所吹入的药粉一般不易接近鼓膜,同时药粉常与脓性分泌物混合,凝结成栓,影响引流和形成假性愈合;二是外耳道滴剂在耳道内存留时间较短,不能充分发挥药物的作用。鉴于上述情况,我们采用了“棉梃子”填塞外耳 Topical suppurative otitis media treatment methods are many, but the effect is not satisfactory enough. Because commonly used external auditory canal powder and trickle drops there are still two problems: First, the external auditory canal due to physiological bending, the blown powder is generally not easy to approach the tympanic membrane, while powder often mixed with purulent secretions, coagulation into a suppository, Affect the drainage and the formation of pseudo-healing; Second, external ear drops in the ear canal retention time is short, can not give full play to the role of drugs. In view of the above situation, we used the “cotton seed” to fill the outer ear