What to sterilize a wound after surgery is based on various aspects such as whether the wound is infected or the level of healing. For routine surgical wounds, the general clinical use of iodine povidone or tincture of iodine, you can also apply medical alcohol cotton balls for the appropriate disinfection, disinfection of wounds after the application of sterile gauze, to protect the wound to promote healing. Clinically found that many wounds appear red, swollen, and even pus, this case of wound disinfection can not be completely pure application of iodine or alcohol, to the wound for thorough debridement, wound cleaning and disinfection with saline, and then hydrogen peroxide for anaerobic bacterial killing, and then according to the wound, placed drainage strips, gauze drainage. By these methods the surgical wound is made to play both a disinfecting and sterilizing role, as well as a rapid healing role.