High-temperature plastic burns infected should be immediately cooled down to deal with, and then wound treatment, and finally under the guidance of the doctor to apply drugs. 1. should be immediately immersed in cold water, or immediately cold compresses, cooling time is generally greater than 20 minutes, if not carried out in a timely manner cooling easily lead to heat further damage. 2. Carefully handle the wound, plastic will melt when high temperature, easy to adhere to the skin, should be carefully removed residual plastic, you can use saline or iodine povidone to disinfect the local, to prevent infection. 3. Use topical medication, such as mupirocin ointment or compound polymyxin B ointment, etc. to apply, and if there is an infection, you can take oral antibiotics such as amoxicillin under the guidance of a doctor. If the wound appeared blisters are large, should go to the hospital for treatment, bandage treatment, do not poke yourself to aggravate the probability of infection.