Using the method of clearing up heat and resolving stasis, the authors treated 144 cases of pelvic inflammation with blood stasis syndrome (BSS) with Shenghong Kangyan Su. The total effective rate was up to 97.92%, cure rate up to 68.75%, without toxicity and side effects. Clinical and experimental study showed that the crux of pelvic inflammation with BSS had some relations with microcirculation obstruction. Inflammation may cause microcirculation obstruction and blood stasis, and is one forms of BSS. Therefore dull purple-tongue, undertongue vein dilated, abdominal pain in lower-part, pathologic mass can be regarded as the basis of diagnosis of pelvic inflammation with BSS The drug of clearing heat and resolving status has the functions of anti-inflammation, anti-pain, diminishing the obstruction of microcirculation, particularly in speeding up the blood flowing, lowering the aggregation of erythrocyte, P less than 0.001.