Abstract: Objective To compare the training effect of KSO (Knowledge, Skill, Operation) training system with traditional clinical teaching methods on urological residents' surgical operation skills. Methods Twelve urological residents (average age 31 years old) with less than 10 laparoscopic operation experience were included in this study and were divided into two groups. Besides routine clinical work, the experimental group received KSO basic training for 6 weeks, twice a week, 3 hours each time, while the doctors in the control group received laparoscopic skills training by two operations every week for 6 weeks with traditional teaching methods. At the beginning and the end of the study, the differences of the basic operation ability of the two groups of doctors were compared, including basic clamping, advanced clamping, pile clamping, hooping, suture and knot tying. Results After the training, the operation time of KSO experimental group was significantly shorter than that of the traditional teaching control group in the four training items, including basic clamping, advanced clamping, pile clamping and hooping (P＜0.05). Conclusions Compared with the traditional clinical teaching, KSO training system has significant advantages in improving the basic operation ability of urological residents. It is a practical and effective training system.

Key words: KSO training system, laparoscopic skills training, operation skill