Whether a newborn baby is afraid of cold or heat needs to be analyzed according to the specific situation. First of all, the child’s fear of cold is caused by Yang deficiency, as the child belongs to the Yang deficiency body, thus will appear to be afraid of cold. It is accompanied by cold hands and feet, thin stools or more frequent stools. This is a sign of yang deficiency. In this case, the child will have the symptoms of fear of cold. Secondly, there is a fear of heat. These newborns have a hot constitution, and children often have internal heat. For example, the child’s stool is obviously dry and constipated, and the color of the urine is very yellow and the amount is relatively small. The child’s tongue is very red and he often has mouth ulcers and other symptoms.