When applying tincture of iodine burns the skin resulting in non-healing, it is recommended that the use of tincture of iodine be stopped in time. Symptoms can be relieved by keeping the area clean, and medication can be used to treat the condition if necessary. 1. Keeping the area clean: When patients apply tincture of iodine, the concentration of the drug is too high and may burn the skin. It is necessary for the patient to stop using tincture of iodine in time and relieve the symptoms by keeping the area clean and preventing bacterial infection. 2. medication: when patients apply tincture of iodine, the skin does not heal for a long time, may be caused by improper use of drugs and other factors, can be used under the guidance of the doctor lidocaine chlorhexidine aerosol and other drugs for treatment. Patients in the process of applying tincture of iodine, burned skin caused by non-healing, it is recommended to go to the hospital in time for examination, and under the guidance of the doctor according to the actual situation to choose the appropriate treatment.