Easy foot numbness may be related to improper posture, lumbar disc herniation, diabetes and other factors. 1. Improper posture: keeping a fixed posture for a long time or feet long time pressure, resulting in slow local blood circulation, local metabolites accumulation, after changing the posture, blood circulation improves, then the phenomenon of numbness of the feet will occur. 2. Lumbar intervertebral disc herniation: Lumbar intervertebral disc fibrous ring rupture, nucleus pulposus prolapse and other conditions lead to lumbar intervertebral disc herniation, the protruding disc stimulation and compression of nerve roots, cauda equina and other tissues, causing lower extremity radiating pain, weakness, numbness and other symptoms, which can be manifested as numbness of the feet. 3. Diabetes: diabetes will continue to damage peripheral nerves, long-term diabetes can involve the peripheral nerves, peripheral neuropathy, is a relatively common clinical complications. Its main manifestation is numbness and pain at the ends of the limbs, and there can be numbness of the feet. In addition, cerebrovascular disease and malnutrition and other factors may lead to patients prone to foot numbness. Continued numbness of the feet is recommended to consult a doctor in a timely manner, under the guidance of a specialist to carry out follow-up targeted treatment.