One week after the birth of the baby can cut nails, because if the nails are long, easy to hide dirt, breeding bacteria or viruses, and long nails long in the child involuntary movement is easy to scratch the skin, resulting in further damage to the skin. In addition, when cutting nails in general to choose the baby sleeping and quiet state, otherwise excited easily accidentally cut the skin in the baby movement, and in the nail cutting before adults to wash their hands, to keep one person a scissors dedicated, to avoid sharing with adults, the formation of cross-infection, nail cutting is conducive to the baby’s hygienic habits.