Adults with stinky yellow water in the navel, most likely due to localized eczema, umbilical cord inflammation and other factors. 1. local eczema: when eczema occurs in the umbilicus, usually will see the surface of the navel, inside the appearance of a little bit of small herpes, if the herpes appear to be fusion or rupture, there may be the phenomenon of the navel stinking and flowing yellow water. 2. Umbilical cord infection: mainly due to the umbilical cord infection bacteria, do not pay attention to personal hygiene and other factors caused by the umbilical cord inflammatory lesions, due to the stimulation of inflammatory mediators, may lead to the phenomenon of the patient’s navel odor and yellow water. Adults in the daily life of the navel odor flow yellow water, it is recommended to timely medical examination, can be used under the guidance of the doctor, avoid blindly use their own medication.