Lumbar spinal stenosis manifests as neurological intermittent claudication, which is different from vascular intermittent claudication (such as thrombotic arterial vasculitis) and differs in the following aspects: 1. 3, neurological intermittent claudication can have segmental sensory disorders in the lower limbs, vascular intermittent claudication is a glove-type sensory disorder; 4, neurological intermittent claudication walking distance with the prolongation of the disease and gradually shortened, vascular intermittent claudication is not obvious; 5, if necessary, feasible arteriography, neurological intermittent claudication arteries are good, vascular intermittent claudication can show the arterial lumen narrowing area.