Diabetic foot interventional therapy, including several aspects: 1, endovascular thrombolysis; 2, long balloon dilatation: through the guidewire, the balloon placed in the stenosis of blood vessels, to promote vasodilatation; 3, drug-coated balloon: attached to the blood vessels to inhibit the regeneration of endothelium, to prevent the expansion of the re-stenosis; 4, angioplasty: implantation of stents into the blood vessel, suitable for the larger blood vessels, usually only placed in the knee joint or above; 5, mechanical suction thrombosis: the blood vessels placed in the rotary suction catheter will be intravascular blood clots or plaque, rotary suction outside of the body; 6, arterial rotary cutter device: for the more hard or calcified plaques.