Decubitus ulcers can be sterilized with povidone-iodine, which can prevent local infections and thus slow down the progress of the disease. Decubitus ulcers are caused by prolonged compression of the local skin tissues and impaired blood circulation, resulting in ischemia, hypoxia, and nutritional deficiencies of the local skin, which can also lead to the loss of normal skin function, resulting in tissue breakdown and necrosis. In the case of small bedsores, iodine can be used to disinfect the area, which can effectively prevent infection and slow down the progress of the disease. For more serious bedsores, also need to use antibiotic drugs, such as amoxicillin, gentamicin, cause severe pain should also use analgesic drugs, such as ibuprofen naproxen sodium, can reduce pain, but also can choose to debridement surgical treatment or skin repair surgical treatment, the drug should be applied under the guidance of the doctor. Decubitus ulcers can be sterilized with povidone-iodine, but it is recommended to do so under the guidance of a doctor or pharmacist, and it is also recommended that patients with decubitus ulcers seek medical treatment in a timely manner, and the doctor will formulate a treatment plan for treatment according to the condition.