When the human body is in active motion, the knee joint is continuously subjected to whole body weight and motion acceleration, which can easily cause injury to the cruciate ligaments within the joint if subjected to anterior and posterior violence within a short period of time. After the injury, the knee joint may become unstable and weak, and may feel dislocated when walking, thus accelerating the wear and tear of the knee joint, leading to meniscal damage, degeneration and exfoliation of articular cartilage, and osteoarthritis, and causing long-term chronic pain in the knee joint, so early and effective treatment is very important. Arthroscopic cruciate ligament reconstruction has the advantages of minimal trauma, short operation time, simultaneous management of other intra-articular combined injuries, accurate intraoperative positioning, reconstruction of anatomical relationships, rapid postoperative functional recovery and few complications. The procedure is done in a minimally invasive manner by creating two incisions of about 1 cm on the anteroinferior and anterolateral sides of the knee joint, inserting the arthroscope into the joint cavity and completing the procedure under direct vision. Bone tunnels of 7-9 mm are drilled in each of the tibia and femur, and the autologous or allogeneic tendon is pulled into the tunnels and fixed to form a new cruciate ligament. The whole procedure is just a few small incisions around the knee joint, and the postoperative recovery is faster. There are many factors that affect the success rate of cruciate ligament reconstruction and reconstruction surgery in clinical practice, such as the selection of the graft, surgical technique, fixation of the graft, location of the reconstruction, postoperative rehabilitation, and postoperative complications. The selection of a graft with good mechanical properties and histocompatibility is a key factor in cruciate ligament reconstruction surgery. Currently, there are three main types of clinically available grafts: autologous, allograft and artificial grafts.