Bicycling fall abrasions can be treated by cleaning the wound, disinfection, hemostasis, bandaging. 1. Clean up the wound: use saline to flush the wound, clean up the dust and foreign objects in the wound, and fully expose the wound. 2. Disinfection: Use disinfectant to disinfect the cleaned wound, commonly used disinfectants include Neosporin solution, povidone-iodine and so on. After disinfection and drying, secondary disinfection can be carried out. The requirement of disinfectant is that it has no obvious irritation to the skin. 3. Hemostasis: If there is blood seepage or bleeding at the site of abrasion, use clean cotton balls and gauze to stop the bleeding by compression. 4. Dressing: After the above treatment, cover the wound with sterile gauze, dress it and change the medicine regularly. If the situation is more serious, it is recommended to go to the hospital, may need to be sutured, tetanus antitoxin injection and other treatments, and take amoxicillin, cefaclor and other antibiotics to prevent and treat infections.