Foundation: Posterior cruciate tendon (PCL) is one of two cruciate tendons that settle the knee joint. The PCL attatches to back intercondylar territory and passes antero superiorly to embed into the horizontal surface of the average femoral condyle. The point of the current examination was to build up the distinction in useful, clinical and radiological result among holding and expulsion of PCL in TKR. What's more, attempt to build up a connection between specific signs to one of the two procedures. Subjects and techniques: This audit was finished utilizing standard philosophy laid out in the Cochrane Handbook and announced the discoveries as per the Preferred Reporting Items for Systematic Reviews and Meta-investigations (PRISMA) proclamation rules. Our included examinations (Randomized preliminaries, Prospective correlation studies and Retrospective examination contemplates). Results: The writing search and cross-referring to brought about an aggregate of 142 articles Fig (1); 23 copies had been identified and eliminated, leaving 119 articles. Complete 111 articles were screened, of which 64 were dismissed due to off-subject modified works (22 articles), inability to fulfill the consideration models (14 articles), or both (28 articles). In the wake of perusing the excess 47 full-text articles, another 26 articles were rejected on account of insufficient subtleties and dubious analysis and result measures. At last, 21 articles on the treatment of patients with essential OA were incorporated. End: It was recommended that the advantages of PCL maintenance would be generally evident in the youthful and dynamic patients It give a more prominent possible scope of movement with successful femoral move back and a moderately level tibial articular surface. It goes about as a restriction to temporary dislodging of the knee. People with PCL holding prostheses have more balanced step, particularly during moving, than do people with either PCL forfeiting or PCL – subbing plans.