Patients with knee abrasions need to bandage the abrasions. After the knee abrasion, the abrasion area is first cleaned with saline, sterilized and then bandaged, the role of the bandage is to protect the wound, to prevent re-infection, conducive to the recovery of the wound, and then change the medication on a regular basis can be, the wound will gradually recover. If the abrasion is infected, purulent secretion, you need to change the basis of regular, anti-infection treatment, such as in the regular doctor’s guidance, oral amoxicillin, etc., in serious condition, you can intravenous penicillin and other antibiotics. After the knee abrasion, you should go to the hospital in time, so as not to delay the treatment.