Professor XU Runsan′s clinical experience in treating tubal obstructive infertility（TOF） by removing blood stasis and dredging collaterals is summarized. XU believes that the main pathogenesis of the disease is uterine vessels obstruction

emphasizing local disease differentiation and he proposes a dual diagnosis method combining local disease differentiation and syndrome differentiation of the whole body. The treatment is based on regulating qi and activating blood

removing blood stasis for dredging collaterals as the basic principles. Tongluo Decoction（通络煎） was used as the basic prescription modified with the symptoms. XU holds that the retention of enema with Chinese medicine decoction has advantages in treatment of TOF

thus creating Tongluo Guanchang Formula（通络灌肠方）.