After the baby has the symptom of small red bumps on the chin, you need to find out the cause, such as drooling rash, herpes stomatitis, eczema, etc., which may lead to small red bumps on the baby’s chin. Different causes, treatment methods are different, more general care and related medication. 1. Drool rash: with local skin impregnated by saliva or baby vomit milk and other liquids, this situation should pay attention to timely wipe the baby, keep the local clean and dry, if necessary, can also be under the guidance of the doctor with zinc oxide oil or zinc oxide ointment topical application. 2. Herpetic stomatitis: it is an infectious disease of the oral mucosa caused by herpes simplex virus, which may appear as small red bumps around the corners of the mouth. Keep the mouth clean, drink plenty of water, take slightly warm or cool liquid food as appropriate, avoid eating stimulating food. Localized can be sprayed watermelon cream, tin-like bulk and so on. 3. Eczema: it is a chronic, itchy, inflammatory skin disease, may be related to environmental stimuli and allergies, etc. In addition to keeping the skin dry and clean, you can use glycerine lotion or glucocorticoid cream coated with such as dieldieldrin cream under the guidance of a doctor. There are many causes of chin bumps, so it is necessary to identify the cause before treatment, and the medication should be in accordance with the doctor’s instructions.