The main reason for infants to have “covered quilt syndrome” is that the weather is cold, especially in areas without central heating, many parents are afraid that their children will freeze at night, so they let their children cover several layers of quilts, or let them sleep with adults, inadvertently it is easy to cover the child’s head and face, there is a danger. The infant’s thermoregulatory center is not mature, and the ability to dissipate heat is not sound. After covering for a long time, the child’s body temperature rises rapidly, and the whole body sweats profusely, soaking through the clothes and quilt, and emitting a lot of hot steam from the head. High heat and sweating causes a lot of water loss and dehydration, making the child irritable, dry mouth, and little urine. To prevent “muffled syndrome”, pay attention to the wrapping of the child should not be excessive, in order to hands and feet warm not sweat as appropriate; in the indoor temperature of about 20 ℃, try to let the baby sleep in a separate bed or cradle, and the crib and cradle in the parents’ room close to the location of the bed, such as sleeping in a bed, be sure to pay attention to let the child himself Sleep a nest, so that adults do not sleep after the quilt cover pressure child head and face; keep the air circulation, breathing smoothly, conditions can be given to the infant to wear special pajamas without covering other items, or use specially designed for infants to keep warm will not cover the head of the sleeping bag. When the child’s body temperature is found to rise, sweating too much, red face, breathing faster, as soon as possible to unpack heat, body temperature can be quickly turned to normal; such as due to cover the smothering caused by lack of oxygen to appear breathing difficulties, blue lips and other symptoms, to be sent to the hospital as soon as possible for treatment.