In the process of AS morbility,the deficiency of kidney-Qi is the internal agent and the invasion of six exopathogens are the exterior conditions of phlegm accumulating with blood stasis.

• 在AS发病过程中,肾气亏虚是痰瘀互结的内在因素,六淫侵袭是痰瘀互结的外部条件,脏腑功能失调加重痰瘀交结,痰瘀互结是AS发生、发展、演变的重要病理机制。