Patients find their belly button is particularly dirty, there is a lot of dirt, it is recommended that patients promptly clean the belly button to avoid causing infection in the belly button. The cleaning method is to use a lot of warm water to soften the dirt inside the navel, using a wet towel to gently wipe, can effectively remove the dirt inside the navel, patients are advised to protect the navel, to avoid the process of cleaning, due to excessive force, or nail scratching the navel epidermis, resulting in the belly button infection. Usually do not deduct dirt on the navel, deducting dirt method, may make the navel skin broken, leading to a series of complications caused by navel infection, the navel and the intestines are connected. In this case, belly button infection can lead to infection in the intestine, leading to a series of adverse complications, patients are advised to clean the belly button dirt, must be gentle, avoid force, resulting in the belly button surface skin breakage.