Chondritis of the knee bone in children may be related to chronic or acute injuries, such as inflammation of the cartilage caused by sports injuries. Children in the usual after excessive exercise, may lead to patellar tendon pulling, pulling the epiphysis of the tibial tuberosity, especially when doing jump rope, basketball, running, jumping and other sports, over time will cause epiphyseal inflammation, early may be accompanied by patellofemoral pain, in the exercise of this symptom is more pronounced, after resting will be improved. Parents need to pay attention to children’s knee osteochondritis in time to the hospital for relevant examination, which may cause localized osteophytes over time, and the tibial tuberosity around the knee joint will also be prominent.