Brain injury is certainly harmful. If the degree of brain damage is relatively mild, less intervention is needed, and even family intervention under professional guidance can be done without coming to the hospital for treatment, but regular follow-ups are necessary to detect the problem in time to solve it in time, so that some small problems do not become big problems after delay. In addition, it mainly depends on the child’s clinical performance, because the minor damage on the imaging, often may also be damage to the functional area, and the clinical performance may also be very obvious. This is why there are children with no major problems on MRI, brain CT, and ultrasound, but they have significant developmental delays and abnormal muscle tone, postural abnormalities, and abnormal motor patterns. In addition, it is also found clinically that some children have relatively mild symptoms when they are young, but they do not actively intervene and do not pay attention to them, and instead they show significant abnormalities when they are older. Therefore, regardless of whether the child’s performance is mild or severe, as long as there are abnormalities, parents should pay attention to them and actively intervene so that the impact on the child can be controlled to a minimum. It is not a good idea to dismiss a child’s injury because of a mild MRI or CT.