Fire in modern medicine mainly refers to a series of inflammatory manifestations, children on fire around the mouth a circle of red may be caused by perioral dermatitis, saliva rash or lipitis and other diseases, you can take your child to the hospital, under the guidance of the doctor to take the appropriate treatment measures. 1, perioral dermatitis: occurs in the nose, nasolabial folds, upper lip and other places of inflammatory skin disease, may be associated with the long-term use of fluoride toothpaste, cosmetics, glucocorticosteroids and so on. Related. Pustules, erythema, papules and other symptoms will appear around the mouth, resulting in a circle of red around the child’s mouth. Should avoid the use of hormone drugs, can be in the doctor’s guidance of topical metronidazole, clindamycin, erythromycin and other drugs; 2, drooling rash: is damaged by the cuticle of the skin, due to the skin is often subjected to friction and moisture and other factors stimulation caused by the symptomatic manifestation of mild redness and swelling, skin flushing, pain, etc., mainly in the lips around the mouth, so that the child’s mouth around the circle of red. Can first use warm water to scrub around the mouth, and then apply emollients, when the symptoms are serious, you can follow the doctor’s instructions to apply glucocorticoids; 3, labiitis: is an inflammation that occurs in the lips, the etiology is unknown, and may be related to the temperature, chemical, mechanical factors of the long term persistent stimulation, such as the dry climate, wind blowing, being in the high plateau of the cold region, lip licking and lip biting bad habits, resulting in a circle of redness around the mouth of the child, swelling, and even vesicles and other symptoms. Even erosion and other symptoms. Under the guidance of a doctor, oral prednisone and other hormone drugs, or use of metronidazole and other antibiotics, such as allergy symptoms, the use of loratadine, chlorpheniramine maleate and other drugs. It is recommended to give your child more fresh fruits and vegetables, eat a lighter diet, increase water intake appropriately, and avoid skin care products that can irritate the skin in order to reduce exposure to suspected irritants.