If a newborn’s hands are cold, the following reasons are mainly considered: 1. Improper warmth, commonly seen in colder weather, if too little clothing or improper warmth, the child will have cold hands and feet. The child’s growth and development is normal, the mental state is also relatively good, eating milk is also normal, only need to give the child warm treatment. Otherwise, the child is not only cold, but also easy to cause nasal congestion, runny nose, fever and other cold symptoms. 2, serious infections, the child in addition to cold hands, often have cold feet, poor mental state, drowsiness and other situations, you can give the child timely blood routine and blood culture. If there is bacterial infection in the blood culture, it should be considered that it is caused by sepsis and other serious infections, and need timely anti-infective treatment, after the infection is controlled, the child’s cold hands can be significantly relieved.