Objective The value of endoscopic retrograde choledocho－ pancreatography( ERCP ) to detect narrow－ winding cystic duct and the effect of surgery were studied .Methods The clinical presentations, pathogenesis, diagnostic procedures and outcome of surgery were collected and analysed in 17 patients with this change. All had preoperative ERCP as well as intraoperative cholangiography. The operation was simple cholecystectomy. Results Satisfaction was obtained througthout the followup period for 2～ 5 years . Conclusion Narrow－ winding cystic duct is not a rare biliary disorder with high rate of confirmation by ERCP and fine result following cholecystectomy.