Belly button area if purulent infection, usually due to the following reasons: 1, due to the physiological structure of the belly button area, it is easy to hide bacteria, secretions, so it is usually relatively dirty, the belly button area skin mucosa and weak, if not often cleaned, the belly button area of the skin mucosa once broken will cause inflammatory infection, the disposal is not timely will lead to purulent infection, appear Belly button rotten condition; 2, often use nails or cotton swabs to pick the belly button, is also the cause of the belly button rotten, belly button if it is dirty, you can use iodine volts to gently wipe, but can not use hard objects to clean, otherwise it is easy to cause skin damage to the belly button area caused by infection. These are the specific causes of purulent infection in the navel area, it is recommended that patients should usually pay attention, and once the situation of rotten navel, should be promptly to the regular hospital for treatment.