A foot numbness is mainly seen in the following cases: 1, the most common because of lumbar disc herniation nerve compression caused by numbness in the lower limbs, often combined with radiological pain. The most common is lumbar 4-5 or lumbar 5 sacral 1 disc herniation, compression of nerves resulting in the back of the foot or the sole of the radiating pain combined with numbness, numbness can be aggravated when walking or prolonged sedentary, bed rest may be relieved. 2, because of a long history of diabetes, unstable blood sugar control, vascular circulation disorders above the foot, capillary lesions, which leads to numbness. 3, because of prolonged Walking, strenuous exercise, and prolonged standing lead to impaired venous circulation in both lower extremities, which in turn leads to numbness on the soles of the feet.