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Objective To evaluate the effect of endoscopic balloon dilation treatment on the quality of life (QOL) in patients withrncommon bile duct stones . Method EBD of the sphincter of Oddi and removal of the stones by balloon , basket andrnmechanical lithotripcy were performed in 47 patients with common bile duct stones .The QOL of the patients before and afterrnthe treatment was scaled . Result The success rate of EBD for the treatment of common bile duct stones was 91.5％ (43/47)rnin our group . The scales of QOL in 89.3％ of patients after treatment were significant higher than before (p<0.05).rnConclusion EBD for the treatment of common bile duct stones are possible ,effective and safe .