How did the hand be scalded by oil to do blister

First of all, you need to wash the scalded area under cold water, reduce the temperature of the body surface in time until there is no pain. Then you need to go to the hospital in time. If the blister is small, you do not need special treatment. If it is large, you need to pick out the blister liquid in time. Follow the doctor's advice and use the ointment for active treatment.