肺炎是严重威胁小儿健康和生命的常见病之一。主要表现为发热、咳嗽、呼吸困难和两肺散在干湿性音。多数患儿经药物治疗1～2周后痊愈,但部分患儿虽病情明显减轻,而肺部干湿性音吸收缓慢,并常导致低热,咳嗽,甚至病情反复加重。1993年3月至1998年8月我科对86例顽固性肺部音 Pneumonia is one of the common diseases that seriously threaten the health and life of children. Mainly manifested fever, cough, difficulty breathing and wet and dry lungs scattered in both lungs. The majority of children recovered after 1 to 2 weeks of drug treatment, but some patients although the disease was significantly reduced, while lung wet and dry 吸 sound absorption is slow, and often leads to fever, cough, and even worse. March 1993 to August 1998 our department of 86 cases of intractable lung  sound