It was put forward that deficiency of Qi-Yin,blockage of phlegm and blood stasis may be the TCM pathogenesis of resteaosis after PTCA.

• 提出气阴两虚、血瘀痰阻是PTCA后再狭窄发生的基本中医病机，并对中医药防治再狭窄的思路进行了讨论。