Numbness in the right toe may be caused by the following reasons: 1. Peripheral neuropathy may exist, for example, when there is a lumbar disc herniation or when there is nerve compression in the lower extremity, it may produce numbness in this part of the toe; 2. It may be caused by vascular disease, for example, patients have deep vein thrombosis or thrombo-occlusive vasculitis, resulting in poor blood circulation in the lower extremity, which may produce coldness, purple and numbness in the The distal extremity may produce coldness, purple and numbness; 3. There may be complications of diabetes mellitus, which may produce diabetic foot when diabetes mellitus is very long. The main pathogenesis is the destruction of the peripheral vascular nerves due to high blood sugar, which then causes numbness of the toes and sometimes even necrosis; 4, there may be some effects of trauma, such as fascial compartment syndrome in the lower limbs, or nerve damage may produce numbness of the toes.