The place where the skin is off and the flesh is exposed does not need to be sprayed with iodine povine every day, the first 3-5 of the injury can be sterilized with iodine povine every day, and in the later stage it is recommended to sterilize it for 2-3 days. After the injury, there may be contamination inside the wound, and even bacterial infection, the wound should be cleaned immediately after the injury, firstly, the wound should be cleaned with saline, and then disinfected with iodine povidone, and finally bandaged, and it needs to be disinfected every day for the first 3-5 days. After the wound scabs, there is no need to disinfect the wound with iodine povine every day, it can be disinfected once in 2-3 days, and the scabs will fall off on their own after a period of time. When there is a situation where the skin falls off and the flesh is exposed, you should consult a doctor in time, under the guidance and advice of the doctor for treatment.