If the baby’s red bottom is mild, it can be taken care of at home as follows: 1. Pay attention to the frequency of diaper changing: change every two hours for small babies and every three to four hours for big babies; 2. Pay attention to cleaning: rinse with 37℃ water after urinating, then dip a towel or gauze into dryness and apply a layer of moisturizer; after pooping, it is recommended to use skimmed cotton balls or baby-specific wet wipes with detergent to clean the perianal skin, then Apply moisturizer to moisturize. If your baby’s red bottom is more serious, such as water seepage or peeling skin, you need to go to the hospital for corresponding treatment in time.