Usually, navel inflammation may be caused by Staphylococcus aureus, Escherichia coli, hemolytic streptococcus, etc. It can be treated by cleaning with 3% hydrogen peroxide solution or povidone-iodine, applying medication, and surgical treatment. 1.3% hydrogen peroxide solution or povidone-iodine cleaning: If the patient’s navel inflammation is not very serious, the affected area can be cleaned by 3% hydrogen peroxide solution or povidone-iodine. The alias of hydrogen peroxide is to do hydrogen peroxide, which works as sterilization, deodorization, decontamination and so on. 2. Application of drugs: If the patient’s navel inflammation is heavy or there is inflammation spreading around, it is recommended that the patient seek medical advice in time. Under the guidance of the doctor, the application of antibiotic drugs for treatment, such as amoxicillin, cefaclor and so on. 3. Surgery: If the patient’s navel appears to be abscessed, it is usually necessary to incise and drain through surgery. Patients should pay attention to keep the wound clean and dry after the operation, and keep the umbilicus clean in normal daily life to avoid the umbilicus being infected. During the recovery period, the wound should be observed regularly for bleeding and oozing, and medical attention should be sought as soon as it is detected. If the patient becomes unwell, please consult a doctor immediately.