Small postoperative infections of the patella are generally not disabling, but may be if not controlled in time. Patella is the kneecap, if the kneecap area fracture, often need to take surgical treatment, the fracture site for fixation, must pay attention to postoperative care, if the care is not appropriate, may lead to wound site infection, which will lead to localized swelling and pain, and it will affect the recovery of the fracture, the treatment is not timely may lead to osteomyelitis, but the timely treatment will not lead to disability in general. If small infection occurs after patellar surgery and is not controlled timely and effectively, the infection may persistently aggravate, and it will cause some damage to the internal bone, and may even leave sequelae and lead to disability. After patellofemoral surgery must pay attention to local care, avoid infection, if small infection occurs, cooperate with the doctor in time to take standard anti-infection treatment.