If the baby’s limbs are tense and the whole body is strained only occasionally, and at the same time accompanied by double eye roll, blue around the mouth, double fist clenching and other performance, pay attention to the possibility of convulsions, need to promptly take the baby to the hospital for consultation. If the limbs are often stiff and the body tends to jerk backward, pay attention to the increased muscle tone caused by brain lesions, usually the baby does not roll over, can not keep sitting alone, the body tends to fall backward when sitting in the long-legged position, and most of them are premature babies, or there is a hypoxic ischemic lesion of the brain at birth. If you have the above symptoms and history, you need to go to the hospital in time to detect the abnormality early and give early intervention.