Neck of the foot like a rope tied may be related to lumbar disc herniation, advanced diabetic neuropathy and so on. Lumbar disc herniation, spinal stenosis, lumbar spondylolisthesis and other lumbar pathologies will compress the nerve root to the lower extremity innervation function abnormally, then there will be pain, numbness, ankle binding sensation and other symptoms. Late diabetes can cause peripheral nerve damage, abnormal nerve function, it will be manifested in the ankle binding sensation, socks, cold, worm crawling and other sensations. Peripheral neuritis in the ankles can also cause these symptoms. In cold weather, the ankle in the cold environment exposure time is too long, will cause slow blood circulation, nerve nutrient deficiencies will also appear binding sensation symptoms in general, back to the warm environment will be quickly relieved. If the ankles feel constricted, it is recommended that the patient go to the hospital to improve the examination and receive regular treatment.