Red potion and iodophor together will form mercury iodide, you should immediately suspend the use of saline to wash clean, observe the changes in the wound. If the wound develops uncomfortable symptoms, it should be treated promptly in the hospital. Due to the chemical reaction between red mercury bromide in red potion and iodine in iodophor will generate mercury iodide, which has strong stimulation to the skin and mucous membranes and is not conducive to wound healing. If contacted for a short period of time, wash it off in time, if the skin has not absorbed mercuric iodide, there will be no serious effects. If used for a longer period of time, has irritated the skin, should go to the hospital in time for treatment, with alcohol to red potion and iodine completely off, and then re-sanitize the wound to bandage the wound. It is recommended that the use of drugs should be under the guidance of a physician. During the wound healing process, pay attention to keep the wound clean and dry to control wound infection.