Plantar warts are common warts that occur on the soles of the feet and are caused by human papilloma infection. There are different treatments depending on the size of the blood blisters (“blisters”). 1. When the blood blisters are small: you can disinfect them with povidone-iodine, prevent infection, and wait for them to absorb on their own without special treatment. 2. When the blood blisters are large: it is necessary to go to the regular hospital by the doctor to use a disposable syringe to suck out the liquid, if necessary, in the local application of antibiotic ointment, such as mupirocin ointment and other medication. The first thing you need to do is to make sure that you have a clean wound, so that you don’t get infected. The first thing you need to do is to get rid of the warts, and then you will be able to get rid of them.