It is normal to blister after applying ointment to a burn instead. Blisters after applying ointment after scald instead, mainly because of the loss of tissue fluid running outside the blood vessels caused by the blisters, if the blisters are relatively small, you can use iodine povine to disinfect them, and then use a sterile syringe to draw out the liquid in them, and then apply the scald ointment. If the burn is more serious, and more serious blisters, it is best not to rashly pick the blisters or apply ointment, you need to go to the hospital in time for professional treatment, to avoid the wound infection caused by improper operation. During the treatment period need to keep the scalded area clean and dry, before the wound is not recovered, it is best not to get wet, to prevent infection and inflammation, during the period also need to maintain a light diet.