Objective:To know the biomechanical properties of five techniques of internal fixation of absorbable suture cer-clage with an anterior tension band in the treatment patella fracture.Methods:20flesh cadaveric knee joint specimens were divided into5groups randomly and transversal osteotomies of the patella were performed.The simulated fractures were fixed with the absorbable suture cerclage with and anterior tension band,cerclage wire,Magnuson's wire,AO tension band and Weber's modified tension band,respectively.The biomechanical prop-ertres of the techniques were evaluated by the KJ-20biomechanical testing machine.Results:All techniques functioned well and satisfied1KN tensile force of the quadriceps.The biomechanical properties of the ab-sorbable suture cerclage with an anterior tension band technique performed well and there are no significant dif-ferences(P>0.05)as comparing with other techniques.Conclusion:The absorbable suture cerclage with an anteri-or tension band technique has good biomechanical properties and stability between the fracture fragments with no need for a second operation to remove the implants after bone union.It enlarges the indications of the internal fixation of patella fractures and can avoid the unwanted patellectomy.