Objectives: evaluate the results of arthroscopic reconstruction of the posterior cruciate ligment (PCl) in Viet Duc University Hospital. Subjects and Methods: 27 patients who had PCl injuries were arthroscopically reconstructed with use of a quadruple hamstring tendon graft. Results: according to scoring system of lysholm, 74,1 percent patients rated as excellent and good, 18,5 percent fair and 7,4 percent poor. Conclusion: The arthroscopic reconstruction of the, PCl showed good and efficacious results, the postoperative knee function was improved significantly.