Diabetic foot ulcer infection is a common sign after the appearance of ulcers in diabetes, mainly due to poor long-term glycemic control in diabetic patients resulting in poor nutrition and low immunity, so once the ulcer often combined with infection diabetic foot patients with foot infection treatment are as follows: 1, actively control blood sugar, strengthen drug changes, strengthen local wound treatment; 2, if the wound appears necrosis, malodor or rapid time swelling, pus If there is necrosis, malodor or swelling and pus flowing from the trauma within a rapid period of time, it is necessary to clear the trauma in time, or even perform incision and drainage to remove the necrotic pus and tissues as much as possible; 3. Pay attention to the application of systemic antibiotics to enhance local resistance; 4. Perform revascularization to avoid reoccurrence of infection.