It is generally not recommended to rub the navel with alcohol, if you need to disinfect, you can use complex iodine to rub the navel. The navel for the navel of the common name, located in the anterior superior iliac spine level abdomen on the midline, the diameter of about 1 ~ 2 centimeters. The navel is generally weak and should be protected on a daily basis. Alcohol has a dehydrating and irritating effect on the skin, so in order to protect the navel, it is generally not recommended to use alcohol to disinfect the navel, it is recommended to use complex iodine disinfection with less irritation than alcohol, in case of discomfort in the navel. It should be noted that the usual attention should be paid to the umbilical cord hygiene, to avoid the deposition of dirt, in the cleaning of the navel should avoid rubbing hard to prevent damage problems.