Objective To study the feasibility, indications and clinical value of primary suture after the common bile duet exploration(CBDE).Methods One hundred and fimr cases of choledocholithiasis were chosen for primary suture by 5-Oviger after CBDE. Post-operative complications and the length of hospital stay were compared with those with T-tube drainage. Results Compared with T-tube drainage group, the complication rate was reduced and the length of hospital stay in primary suture group was shortened. And also the mortality and operation time were decreased significantly. Conclusion The primary suture after CBDE in selected oases is safe and reliable.