Treatment of navel infection in the elderly is largely based on the severity of the infection. Mild infections only have mild redness, swelling and pain, while severe infections may form localized abscesses and may even have systemic symptoms such as fever. General treatment, physical therapy, medication and surgery are often needed in the clinic. 1. General treatment: pay attention to light diet, avoid eating spicy and stimulating food, and use hydrogen peroxide, povidone-iodine and other disinfectants to disinfect the broken skin every day. 2. Physiotherapy: local hot compresses, infrared radiation and other physiotherapy can be given to promote local blood circulation and facilitate the absorption of inflammation. 3. Medication: For mild infection, erythromycin ointment and other topical antibacterial drugs can be given locally to fight infection. If the infection is serious, you can take oral amoxicillin, levofloxacin and other antibacterial drugs at the same time. 4. Surgical treatment: when the infection is serious, the formation of abscesses, need to give incision and drainage, for conservative treatment is ineffective, the delay does not heal, but also can be given to the surgical lesion removal. The specific situation is recommended to go to the hospital, improve the auxiliary examination, clear condition, drugs need to be used under the guidance of a professional physician.