Baby navel skin defense function is relatively poor, because its fat content is relatively low, this part is relatively weak, so when the child because of bathing or local injury, friction caused by infection, redness, swelling, oozing and other symptoms, need to give the following treatment. 1, with hydrogen peroxide soaked after giving iodine povidic disinfection, and then 0.9% saline scrub clean, if there is obvious symptoms of oozing infection, you can give the appropriate anti-inflammatory drugs, such as mupirocin ointment or erythromycin ointment to deal with. 2, the child navel inflammation or to prevent the main, the baby must pay attention to timely clean up after bathing, especially in the case of water, must use a dry towel dipped in clean, at the same time with iodine volts disinfection with a clean cotton swab after scrubbing clean. 3, do not give the child through the tight diaper, must give her a quality over the more relaxed, while the skin wear less diaper, to prevent the umbilical cord infection recurrence. 4, if the newborn appeared umbilical cord infection, local obvious redness, swelling and heat pain, then can not be excluded sepsis, if this time the child’s mental state is not good, must go to the hospital to draw blood tests, to see the degree of infection, if there is a clear infection, ultra-sensitive C-reactive protein, white blood cell values are relatively high, the best thing is to be able to do a blood culture, to see whether there is umbilical cord infection induced sepsis. If there is obvious infection, it is better to do blood culture to see if there is sepsis induced by umbilical infection.