In this study, we intend to divide the subjects who have been confirmed recurrent HCC into two groups: Group A: treatment with pure surgery or Group B: treatment with pure radio frequency. We will compare the non-tumor survival time, long-term survival rate between the two groups, summarize the merits and demerits of both groups, and try to establish a standardized therapy and treatment for the this kind of patients through prospective studies on the molecular biological difference of pathological samples between the first and second surgeries.