Pillow baldness is mainly caused by vitamin D deficiency, the baby’s nervous excitability, irritability, fussiness, sweating and shaking the head, resulting in the loss of hair at the back of the occipital area. For two-month-old babies with pillow baldness, the following measures can be used to deal with the situation: first of all, the main thing is to pay attention to the child’s vitamin D3 supplement, often choose green Icoxin, one capsule per day, about half an hour after feeding at noon.