Objective:To explore the influence of inhibiting C5L2 expression on Th17 function and kidney transplantation acute rejec-tion reaction in mouse model. Methods:The C5L2 interference adenovirus was constructed,and injected into kidney transplantation acute rejection reaction mouse model by tail vein. The change of serum creatinine(Cr) was detected. Th17 related cytokines inter-leukin(IL)-6,IL-17 and tumor necrosis factor(TNF)-γ were detected by enzyme-linked immunosorbent assay(ELSA). Kidney pathological change was detected after 1 weeks. Results:C5L2 interference adenovirus was constructed and injected into kidney transplantation acute rejection reaction mouse model successfully. In experimental group,the levels of serum Cr decreased,IL-17,IL-6 and TNF-γ were decreased. Conclusion:C5L2 interference adenovirus can inhibit the function of Th17 cells,and can reduce the kidney transplantation acute rejection reaction in mouse model.