Women’s belly button stink, because the belly button hidden in the fermentation of dirt odor, usually when the body sweat, skin secretion of oil will accumulate in the formation of dirt, bath time and do not pay attention to cleaning, bath water is also hidden inside, slowly will form a stench. There are also some people because of bacterial growth leading to infection caused by the odor, bacterial growth leading to infection of the belly button need to go to the hospital, not timely diagnosis germs are likely to enter the body through the blood vessels, resulting in serious diseases such as sepsis.