The navel generally can not use the hand to pick, if the itch is unbearable can use a cotton swab dipped in iodine to simply clean up can be. People in the fetal period, the umbilical cord is connected to the mother’s placenta, when the fetus is delivered out of the mother’s body, the umbilical cord is cut, thus leaving the navel. The reason why you can’t pick at the navel with your hands is because the skin of the umbilicus is very fragile, and if you pick too hard you may damage the skin, plus your fingers often have a lot of bacteria, and the damaged skin may be infected by bacteria that can cause inflammation. If the navel dirt caused by itching, remember to try not to use your hands to pick, the use of cotton swabs dipped in iodine solution to gently wipe the navel, if the internal dirt is more, but also with the use of sterilized tweezers will be gently clamped out of the dirt, cleaned up after the need to use iodine and then a second disinfection process.