There is no such thing as the fastest way to treat a scraped knee. You need to take into account the condition of the wound by paying attention to wound hygiene, applying medication and taking oral medication in order to facilitate the recovery of the condition. After a knee abrasion, the local skin will have obvious swelling, pain and bleeding. In this case, you need to pay attention to the hygiene of the wound first, after the injury to use iodophor or saline to clean the wound, the wound will be cleaned off the dirt, to reduce the chances of wound infection. After cleaning, you need to keep the wound dry. If the local pain is more obvious, and also to apply local antibacterial ointment treatment, such as erythromycin ointment. If the pain is severe, you may need to take oral amoxicillin along with the cream to prevent infection. In this period should also pay more attention, if the local pain is more serious, accompanied by limited movement and other phenomena, you need to go to the hospital, may be fracture or ligament damage and other factors. Avoid the lack of symptomatic treatment, resulting in continued aggravation of the condition, which will have an impact on the individual’s health and quality of life.