The back of the foot abrasion a large piece of foot swelling treatment is usually based on the degree of abrasion, swelling, it is recommended that the patient according to their own situation and then do the appropriate treatment. 1. Less severe: patients with abrasions, swelling is less severe, no obvious bleeding, only accompanied by a slight swelling, you can use local cold compresses to relieve, patients can use ice towels under the guidance of the doctor for local cold compresses, and later combined with a hot towel to warm compresses, can help blood circulation, relieve the symptoms of swelling and pain. 2. Heavy degree: If the patient is abrasion, swelling degree is heavy, and accompanied by local bleeding, obvious pressure and pain symptoms, the patient should go to the hospital in time for trauma treatment, and under the guidance of the doctor can take some drugs to reduce swelling and pain, such as diclofenac sodium, celecoxib capsules, aminophenol tramadol, and so on. It is recommended that patients should avoid walking during the recovery process, and should go to the hospital in time if there is pus, infection and other adverse conditions.