due to incomplete reduction of fracture The surfaces of the articular cartilage are uneven. This results in traumatic arthritis. For patients with intra-articular fractures If it can be treated in time and reduced anatomically Traumatic arthritis can be avoided. including bone overload in the joint completely For the child's factors, the first was gender, it was found that males were more at risk and misbehaved than girls. The second was genetics. Children are born vulnerable and vulnerable when raised or raised in inappropriate environments. Third is the child's emotional background.