Belly button patch is divided into two kinds: one is a medicated belly button patch, can be used to relieve diarrhea, it is recommended that patients clean the skin around the navel, and then directly tear off the belly button patch patch, attached to the navel, this time there will be a drug side of the patch on the navel, will be in contact with the umbilicus, can be applied for about 12 hours, and then uncovered, can be at an interval of 4-6 hours after the re-application, effective improvement of the Diarrhea. Another kind of navel patch without medication, which is just a waterproof membrane, which is suitable for patients to take a bath, the navel will be affixed to the navel, you can effectively avoid the situation of the navel seepage, can effectively avoid infants and young children in the bath, resulting in the navel infection. At this time, it is applied before bathing, and then promptly removed after bathing, can effectively avoid the navel water and lead to infection.