The common causes of itchy red bumps around the navel include periumbilical eczema, eczema, urticaria, tinea corporis, herpes zoster and so on, which need to be treated with medication for different causes, and usually require anti-allergic, anti-fungal and anti-viral treatments. 1. Periumbilical eczema: the red bumps and itching caused, try not to scratch the surface of the skin with your hands as often as possible, so as to avoid breakage and infection, at the same time, you can apply hormonal creams (such as Dinocaprolactone cream, etc.) on the surface of the skin for treatment, and if necessary, you can take antihistamine such as loratadine orally for treatment. 2. Eczema: red bumps can be treated with hydrocortisone butyrate cream and mometasone furoate cream. Patients with intense itching can be treated with antihistamines such as oral loratadine tablets and cetirizine tablets. It is recommended to do allergen test and food intolerance test to determine the allergens. 3. Urticaria: red bumps, wind bumps with itching, given antihistamines such as loratadine, levocetirizine and so on. 4. Ringworm: can be treated with topical antifungal drugs, such as bifonazole cream, naftifine ketoconazole cream. Usually avoid scratching the local, after the end of the treatment, the close clothing after ironing sun exposure for a day. 5. Herpes zoster: you can take oral antiviral medications such as famciclovir tablets and vasiclovir tablets. Avoid spicy and irritating foods during an attack, and don’t drink alcohol. Itchy red bumps around the belly button may have other causes, it is recommended to go to the hospital in a timely manner, after a clear diagnosis of treatment as prescribed by the doctor, do not self-medication.