Baby red buttocks generally refers to diaper dermatitis, need to be dealt with through general measures, medication and other ways. 1. General measures: at this time you need to keep the skin dry and cool, change the diaper, remove the urine and feces on the buttocks in time, expose the affected skin as much as possible, and do not use hot water or soapy water to wash the child’s buttocks. In addition, after each bowel movement, you can apply appropriate moisturizing lotion or buttock cream. 2. Medication: For children with severe inflammation, topical glucocorticoid ointment, such as Denadyl and Hydrocortisone, should be used under doctor’s supervision. If the combination of bacterial infection, you need to follow the doctor’s instructions to use erythromycin ointment, mupirocin ointment and other antibiotic drugs. To summarize, when you find that your baby has a red bottom, you need to strengthen the skin management, and if necessary, you need to go to the hospital and cooperate with the doctor for active treatment.