Women’s navels have yellow pus with a foul odor, generally considered for poor local hygiene or umbilical cord inflammation. 1. poor local hygiene: navel position deep, easy to hide dirt, when in ordinary life, do not pay attention to the navel part of the clean, will lead to local bacterial growth, and then cause the umbilical cord odor and secretion, it is recommended to pay attention to the local clean, keep the navel dry. 2. Umbilical cord inflammation: When there is inflammation in the umbilical cord area, there will be a foul odor and yellow pus discharge from the umbilicus, accompanied by a rise in skin temperature around the umbilicus, redness, swelling, pain and other symptoms. It is recommended to apply hydrogen peroxide, saline cleaning, and then disinfect with iodophor, while antibacterial drugs can be applied afterwards, such as mupirocin ointment. Oral antibiotics, such as amoxicillin, are taken in serious cases. When women have yellow pus with a foul odor in the navel, it is recommended to go to the hospital for early treatment and medication as prescribed by the doctor.