 The investigators use existing resources to carry out this new technology, in accord with the standard of the patients, were randomized to traditional fracture balloon tibia fixation or arthroscopic reduction under angioplasty, the original data and data acquisition in a certain period of time corresponding to the patient, through statistical and epidemiological analysis and comparison of the method of professional data analysis discussion and experience according to the analysis results, the balloon angioplasty tibial arthroscopy and traditional open reduction and internal fixation for the clinical differences between postoperative recovery of tibial plateau articular surface reduction and joint function, and feedback the results to guide the clinical diagnosis and treatment. 