It holds that kidney-asthenia is the root-cause,heat-toxin the principal precipitating factor while damp-heat and blood stasis,throughout the whole course,are the key factors at the progressing stage.

• 认为本病的发生以肾虚为内在基础,热毒为重要诱因,湿热与瘀血贯穿于整个病程,是病情发展演变的关键因素,水湿、湿浊和溺毒则是病变进展之危象。