Itching around the belly button, consider not paying attention to personal hygiene, navel infection, skin candidiasis. 1. Do not pay attention to personal hygiene: the navel is recessed inside, not easy to thoroughly clean, if you do not pay attention to personal hygiene, long time without bathing, bacteria will reproduce, oil secretion will also be more caused by itching. 2. Umbilicitis: If you don’t pay attention to the umbilical cord hygiene or often scratch the umbilicus, it will destroy the local skin, causing damage, bacteria enter, overpopulation will cause umbilicitis, there will be redness and swelling of the umbilicus area, pus secretion, and itchy symptoms. 3. Skin candidiasis: Candida is a conditionally pathogenic bacteria, normal skin also has this bacteria, when the body’s immunity is lowered or when the skin is broken, Candida will overpopulation caused by skin symptoms, mainly manifested as redness, impregnation, vesiculation, but also itchy symptoms. Itchy around the belly button, there may be other reasons, it is recommended to go to the hospital in time, by the doctor to clarify the cause of the disease after standardized treatment.