There are wounds can be applied interferon, because interferon has a certain therapeutic effect on the local wound virus, so it will not affect the wound. The ingredients of interferon are mainly a-interferon. When applying it, you should have iodophor for disinfection, wait for the wound to dry and then apply it, and then wrap the wound with clean gauze, which has a certain protective effect on the local wound. It is generally recommended to change the medication once in two to three days, and you can apply interferon twice a day. These routine operations, if you do not know how to do it at home, it is recommended to go to the hospital to let the nurse or doctor to change the medication disposal and apply interferon.