If your baby has a blister on his hand, if the blister is not very large, you can apply iodophor locally to prevent infection without any other special treatment, and it will usually absorb on its own. If the blisters are large, after local skin disinfection with iodophor, you can use a syringe to extract the blister fluid, and then use Jingwanghong or other burn ointment to give local application, and then daily local treatment with iodophor, twice a day, most of them will be completely back to normal in about three days. Babies are young and curious, so parents must keep them away from dangerous places such as electrical appliances, boiling water, sharp objects, etc. during the process of bringing up.