The baby’s body is frequently twisted with force, and the following situations are common: 1, the baby’s body exerts itself when pre-defecating, urinating, thus appearing body twisting phenomenon, when after defecating, urinating after recovering freely, the general situation is good. 2, vitamin D deficiency rickets, the whole body twisting is mostly seen in babies within 3-4 months of age, in addition to body twisting, breath-holding-like episodes, often accompanied by night terrors, night crying, sweating, occipital The baby is often accompanied by night terrors, night cries, excessive sweating, occipital baldness and other symptoms. The symptoms will gradually improve with age after vitamin D and calcium supplementation, breastfeeding, and moderate outdoor activities. 3, brain injury syndrome will appear frequent body strength, involuntary movement of the limbs increase, feeding effort crying weak, the body is too hard or too soft, to promptly go to the Department of Pediatric Rehabilitation, to give the necessary early rehabilitation treatment.