Bilateral numbness of the soles of the feet may be a normal physiological phenomenon, and may be caused by pathological factors such as peripheral neuropathy, lumbar intervertebral disc herniation, spinal cord lesions and so on. 1. Physiological factors: such as standing for a long time, walking, wearing inappropriate shoes, etc., will produce local extrusion of the feet, resulting in local blood circulation disorders, affecting the nutritional function of the nerves, thus causing numbness of the soles of the feet, which is a normal phenomenon, and timely stretching and relaxation of the activities, the symptoms can be gradually relieved. 2. Pathological factors (1) Peripheral neuropathy: such as diabetic peripheral neuropathy, alcoholism and other damage to the peripheral nerves, the formation of peripheral neuritis, which can be manifested as bilateral numbness of the soles of the feet. (2) Herniated lumbar intervertebral discs: when a herniated intervertebral disc compresses a nerve root, it can cause numbness in the area it innervates, such as the soles of both feet. (3) Spinal cord lesion: Spinal cord lesion can show bilateral numbness in the early stage, and it can gradually develop upward, and even paraplegia can occur. After eliminating physiological factors, if the symptoms of bilateral numbness of the soles of the feet cannot be relieved for a long time, it is recommended to consult a doctor in time to find out the cause of the numbness and then treat it actively, so as to avoid delaying the condition.