Objective To summarize the effect of using the skin soft tissue expansion technique to repair the defect after excising superficial benign tumors. Methods 10 pationts with skin and soft-tissue defects after excising superficial benign tumors were repaired with skin soft tissue expansion technique in our department from August 2004 to October 2007. Results 8 cases were completely repaired through one skin soft tissue expansion and 1 case was repaired through two times,1 case was not excise completely at one time,second opertion was done after 6 months. There were not found recurrent after 3 months to 2 years of the follow-up and the results were satisfactory. Conclusion Treatment for Which the tissue defect ofter excising superficial benign tumors by skin soft tissue expansion technique is better method.