Ultrasonically inhalated houttuynia cordata on postoperative patients can improve sputum expectoration to some extent, but it is disadvantageous to mucociliary transport.

• :超声雾化吸入鱼腥草液在一定程度上可降低肺切除术后病人痰屈服应力 ,有利于咳嗽排痰 ,但降低痰液黏弹性的作用较弱 ,不利于呼吸道纤毛清除功能的发挥。