A 78-year old female patient suffered from diabetic foot with right forefoot of composite gangrene was referred from a western hospital to our hospital as the patient refused amputation and want to receive traditional Chinese medicine.During the treatment,herbal medicine,surgical dressing change,and nutrition therapy were administered.Inflammatory reaction was under control after the first month of treatment.Ischemic pain was relieved after two months.Moreover,after three months,the composite gangrene turned into dry gangrene,and a clear boundary between necrotic tissue and normal tissue formed.The necrotic toes were naturally detached from body after four months,and the chronic ulcer was healed after nine months.The patient′s good prognosis indicates that warm and circulate therapy can promote the process of necrotic limb detachment and wound healing.It supplements a safe and effective natural amputation for treating diabetic foot gangrene.