The umbilical cord of a newborn usually falls off within 1-2 weeks, the earliest is 3-5 days, and some take longer, about a month to fall off. The time for the umbilical cord to fall off varies from newborn to newborn, as long as the umbilical cord does not show signs of inflammation, such as redness, swelling, or purulent discharge. As long as the umbilical cord does not show signs of inflammation, such as redness, swelling, or pus discharge, and the newborn is not crying, feverish, or bleeding from the umbilical cord, parents only need to protect the umbilical cord from infection after the cord falls off. If there is inflammation or purulent discharge, it is best not to touch the water, and should consult a doctor for prompt treatment under the doctor’s guidance. After the umbilical cord falls off newborns need to pay attention to keep the local clean, dry, bath can clean the umbilicus, but be careful not to retain excessive moisture, parents can use cotton swabs to scrub clean, and then use 75% alcohol to disinfect the umbilicus. It is recommended to avoid sweltering the baby, do not wipe the umbilicus of the newborn with body lotion, body care oil, etc., so as not to cause discomfort to the umbilicus of the newborn, while avoiding friction. The newborn’s diaper should be of the right size and should not overlap the diaper with the umbilicus to avoid friction that may cause damage to the skin of the umbilicus.