For diabetic foot ulcers, the first step is to assess the severity of the foot wound. Treatment definitely requires timely consultation with an endocrinology specialist. The first step is to control blood sugar levels to meet targets; second, control blood pressure and blood lipids; third, administer systemic anti-infection treatment, choosing a sensitive antibiotic based on the wound secretion cultures; fourth, local wound management involves debridement and dressing changes depending on the condition of the wound; fifth, an ultrasound of the lower limb vessels can be conducted to check for arterial sclerosis or occlusion, subsequently using medication to improve circulation.