Abstract: Prostatic Carcinoma is common among the male elderly and there has been an increase in the morbidity of the disease. In treating the disease, WANG Ju-xiang pays attention to the special role of kidney yin deficiency and hyperactivity of kidney fire and adopts the method of invigorating yin and purging fire and uses Zhibo Dihuang Pill as the main prescription. Satisfactory results were obtained.