Umbilicitis is mostly caused by bacterial infection in the umbilicus, and its treatment generally includes medication and surgery, which is recommended to be treated under doctor’s guidance. Umbilicitis is divided into neonatal umbilicitis and adult umbilicitis, which is mostly caused by umbilical infection with bacteria such as Staphylococcus aureus, Streptococcus haemolyticus, Pseudomonas aeruginosa, Escherichia coli and so on. It can manifest as pain, redness, swelling, itching and other clinical symptoms. Treatment can generally follow the doctor’s instructions to use medication, such as hydrogen peroxide solution, povidone-iodine solution and other drugs to clean the affected area, or oral antibiotics such as cefaclor, amoxicillin and other antibiotic antibacterial treatment. If there is abscess formation, it can be treated by incision and drainage, and change the medicine regularly. It is recommended that patients seek medical treatment, pay attention to local hygiene during treatment, keep the umbilicus dry, clean, diet should be light, avoid spicy and stimulating food.