Navel is not recommended to pick it, because the navel of the skin is relatively weak, if you accidentally pick out the epidermis of the break, it is easy to lead to the navel inside the hidden bacteria, viruses or other microorganisms violated the wound, thus leading to infectious inflammation inside the navel. At the same time, the navel, because the location is usually deeper, usually cleaning time is difficult to clean in place, so it is easy to often have viruses, bacteria, so the pathogenic bacteria is more, and the inside is also more dirty, if once infected, around the stomach will appear to have a red, swollen, hot, painful, and even appear to have a tummy pus manifestation of the serious inflammation may also be invasive of the abdominal cavity, resulting in a diffuse infection of the abdominal cavity, will cause serious consequences. This can lead to serious consequences.