The common causes of navel inflammation are: first, allergy, second, infection. Allergies are mainly related to the body’s own allergies, if the allergy caused by the inflammation of the navel, the main is to give anti-allergy treatment, you can take oral anti-allergy drugs, such as loratadine, cetirizine, local application of paregoric pine for anti-allergy treatment. If it is caused by infection, anti-infection treatment should be given. Infections are mainly bacterial infections, and a few are fungal infections. If it is not clear which kind of infection, you can give iodophor disinfection, iodophor is effective for bacteria or fungus. If available, bacterial culture can be done to confirm what kind of infection. It is also important to pay attention to hygiene, as this infection is usually related to poor hygiene. In a few cases, the infection is caused by a deformity of the umbilicus, and generally speaking, the infection will recur, which requires a hospital visit and surgical treatment.