Control group were given no TEAS. Incidence rates of SIRS in each group were compared .Venous blood samples from all groups(control group , TEAS group and sham TEAS group) were collected before general anesthesia induction,1th day and 3rd day after surgery. Inflammatory cytokines index including interleukin-6,interleukin-10,Tumor Necrosis Factor- alpha(TNF-α),Interferon-γ(IFN-γ),Monocyte Chemotactic Protein 1(MCP-1),IgG,IgM were measured.