Diabetic rotten feet is a very serious complication of diabetes, which is difficult to deal with clinically and can lead to death in serious cases. The treatment of diabetic rotten feet is actually two major principles: 1, should strengthen the control of blood sugar, diabetic rotten feet patients with high blood sugar should choose insulin therapy, because insulin can lower blood sugar, can also promote protein, fat synthesis, the recovery of the body of diabetic patients have certain help. 2, about the treatment of rotten feet, the lesions should be changed every day, the infection is more serious also in the Antibiotics based on strengthening the treatment of local debridement and drug exchange. If the diabetic rotten foot is caused by lower limb vascular occlusion also need to ask vascular surgery assistance to see if vascular intervention can be carried out to improve the blood flow of the lower limb is conducive to the recovery of rotten foot. If the diabetic rotten foot infection is very serious and cannot be treated conservatively, surgical amputation is the only option.