Baby girls need to be washed gently, from front to back, with lukewarm water. The skin of the vulva is very thin and delicate and needs careful and meticulous care, especially after urination and defecation. Parents need to clean their hands before care, with a special basin, using warm water, not too hot or too cold, with a soft cotton clean towel, dipped in water gently from front to back, that is, first wash the perineum, and finally wash the anus, dry in time, pay attention to the strength, avoid rough action, to prevent abrasion of the skin. Avoid using irritating soaps or other liquids to wash the baby’s vulva. After the use of towels pay attention to exposure to the sun or boiling water to sterilize. Female babies need to change diapers, pay attention to perineum care, especially after stool timely cleaning, each time when cleaning, pay attention to the local redness and abnormal secretion, found abnormal, go to the hospital in a timely manner.