Navel bleeding in adults is usually not dangerous, depending on the exact cause. Bleeding from the navel in adults can be caused by abrasions, infections and other reasons, which should be examined in time. 1. abrasion: navel can be due to simple abrasion or hand picking caused by injury, which leads to bleeding, only need to do a good job of disinfection, always maintain hygiene can be, after the injury need to be disinfected with iodine povidone, and regular medication treatment. 2. Infection: the navel can be due to improper hygiene, and the location of the navel is lower than the skin surface, prone to bacterial infections, to disinfect in a timely manner, cleaning, erythromycin ointment can be used externally and other medications for treatment, and if necessary, you can also take amoxicillin, cephalosporin and other antibiotics to prevent and treat infections. 3. Other: If it is due to major trauma, such as knife cuts and other bleeding caused by timely medical attention, check whether there is still active bleeding, whether there is a combination of visceral injury, timely measures to stop bleeding, so as to avoid the emergence of shock and other symptoms. Adults bleeding from the navel should seek medical attention in time to receive professional diagnosis and timely treatment.