Babies with cold and sweaty hands and feet, first of all, we should pay attention to give the child proper massage of the limbs to promote blood circulation, wipe the baby’s sweat clean, chest and back separated by a cotton square towel, which is conducive to absorbing sweat and preventing cold and flu, and at the same time feed the baby some warm water to replenish water and prevent dehydration, but also pay attention to find the cause of cold and sweaty hands and feet, a common cause is recurrent episodes of low blood sugar, then If the common cause is recurrent hypoglycemia, then the baby should be given sugar water, breast milk or infant formula immediately to see if it can be relieved. If there are frequent recurrent attacks, you should also visit the hospital to check the cause. Usually you need to assess the child’s condition, do blood tests, C-reactive protein, understand the status of the infection, do blood sugar, electrolytes, liver and kidney functions, and further clarify the cause.