Loosening is not recommended three months after knee fracture surgery. Knee fracture after surgery just reached the 2nd stage of fracture recovery, many patients in this stage only began to grow bone scab, the bone scab did not completely fall off, just completed the surface of the bone connection, but the new bone and the fracture site has not been fully restored, so this time is not recommended to loosen, to avoid secondary injury. Knee fracture release after surgery, the specific time in about a year, if the elderly or the fracture is comminuted fracture this situation is recommended to be in about one and a half years. Moreover, the surgeon should review the fracture before the operation to understand the recovery situation and then decide whether the fracture can be loosened or not. Three months after the knee fracture surgery, you should carry out rehabilitation training under the guidance of a professional doctor, and if you are physically fit, you can strengthen the difficulty of training to promote bone recovery. However, you should not do strenuous exercise on your own.