Navel can not pick, because of its special physiological structure, easy to hide dirt, to take the right way to clean up, otherwise, easy to cause navel inflammation and gastrointestinal discomfort. 1. easy to cause navel inflammation: the navel part of the skin is very weak, if you often use your hands to pick, it is easy to cause navel inflammation, triggered by local skin breakage water, serious and even cause the navel pus, pain. 2. cause gastrointestinal discomfort: navel and human abdominal organs are connected, if you often pick, will make the gastrointestinal tract is strongly stimulated, causing gastrointestinal discomfort, abdominal pain, diarrhea, nausea and other symptoms. Navel warm, moist, easy to breed bacteria, available cotton swabs dipped in warm water or povidone-iodine solution, and then gently wipe the navel to clean up the navel, do not use excessive force, so as not to damage the skin around the umbilicus, triggering infection.