Belly button stink, indicating that the belly button is inflammation, infection, while there can be pus and other phenomena, for the following reasons: 1, the patient’s belly button is more dirt, not cleaned in time, secondary to bacterial infection caused; 2, in the process of cleaning dirt, accidentally break the skin at the belly button, which leads to bacterial infection, causing inflammation and odor at the belly button. Patients need to use iodophor, tincture of iodine to disinfect the navel, after disinfection carefully check the navel inside there is no dirt. If there is, you need to use tweezers and vascular forceps to clean up the dirt and check for abscess formation inside the navel after removal. If there are obvious fluctuations, it is necessary to cut and drain the pus and take oral antibiotics. The navel can be changed twice a day or once a day.