Patients with patellar fractures usually need 8-10 weeks to recover, as follows: first, if it is a simple patellar fracture, the fracture is not displaced or the degree of displacement is mild, the fracture end can be restored to stability through manual repositioning and external fixation in a cast, and the patient will reach bony healing in about eight weeks, and a review of the X-ray will reveal the complete disappearance of the patellar fracture line; second, if it is a comminuted patella fracture. Usually, surgical treatment is required to fix the fracture by ring-tie sutures, and sometimes it is necessary to fix it with Kristen pins, tension bands, and patellar claws. Post-operative rehabilitation will result in healing in about 10 weeks, and a review of the x-ray will show that the fracture line has completely disappeared. The healing time of patella fracture is mainly related to the type of fracture, the more severe the injury, the longer the healing time of the fracture, and the less severe the injury, the shorter the healing time of the fracture.