Newborn holding his breath, his face flushed.

The baby should be comforted first when he blushes hard. In addition, proper feeding should be carried out. If it is caused by less sunshine, it will be exposed to the sun for 1-2 hours every day, so that the skin can directly see the sunshine to make up for the deficiency of vitamin D. In winter, due to the cold outdoor environment, vitamin D3 can be supplemented to make up for it. Children who are exclusively breast-fed should pay more attention to vitamin D3 supplement.